DMVPN with invalid SPI recovery / DPD

Dear Experts,

I'm evaluating a networks of average design company DMVPN Phase 2 scope, trying to optimize the time of receovery after a failure and restoration of a DMVPN counterpart.

1. I just spent through a PDF of Cisco Live at a workshop of 2011 named "Advanced Concepts of DMVPN - BRK 4052".

It is said (without further explanation) that the invalid SPI recovery feature is not useful with DMVPN.

Can anyone explain, why?

2 DMVPN involves the use of the Tunnel (TP) Protection. I read the reviews that say that you can not use Dead Peer Detection (DPD) as well as the TP.

Unlike these reviews, Cisco DMVPN V1.1 design guide recommends a configuration container:

ISAKMP crypto keepalive 10

That means, I have to use DPD, but without "periodicals" KeepAlive? If so, could you explain?

Thank you very much!

Dear Sebastian,

1 SPI recovery means essentially that the answering router must meet the same initiator VPN router if the SPI was invalid, the response of the intervener would be an 'invalid' error to the initiator VPN.

Why it is not recommended for DMVPN?

Well, according to the previous description of SPI, imagine if someone upsets your router with rogue applications! with the resumption of active SPI, it means that your router would need to respond to all messages which he received with the message "Invalid Error", which basically means--> attack (Denial of Service Attack) back--> high CPU processing on your router.

http://www.Cisco.com/en/us/docs/iOS/12_3t/12_3t2/feature/guide/gt_ispir.html#wp1045200

How is it that relates to DMVPN?

Well! DMVPN is mainly deployed with large number of rays! and even if no one attacks you! your rays can attack you

2. I don't think that having periodic KeepAlive is what we hear in the comments on demand or periodic KeepAlive is not really effect DMVPN.

I don't know what are the comments you've read, but I think you can use DPD! There have been some incompatabilites filed for tunnel KeepAlive, but as far as I know, nothing major was filed against ISAKMP KeepAlive.

HTH!

AMatahen

Tags: Cisco Security

Similar Questions

  • invalid-spi-recovery crypto isakmp command worked well in the case of DMVPN

    Hello

    I did the Setup for Hub/spoke in th DMVPN case and it worked fine. But after reloading Hub and I saw an output of error below, well I added the command invalid-spi-recovery isakmp crypto in the Hub & spokes:

    * 7 Oct 03:10:03.175: CRYPTO-4-RECVD_PKT_INV_SPI %: decaps: rec would be package IPSEC a bad spi to destaddr = 150.1.1.1, prot = 50, spi = 0 x 72662541 (1919296833), port = 150.3.1.3

    * 7 Oct 03:10:03.175: CRYPTO-4-RECVD_PKT_INV_SPI %: decaps: rec would be package IPSEC a bad spi to destaddr = 150.1.1.1, prot = 50, spi = 0 x 72662541 (1919296833), port = 150.2.1.2

    Note: spoke1 IP address: 150.2.1.2/spoke2's IP address:150.3.1.3/Hub's IP address: 150.1.1.1

    My temporary solution for the same problem, I need to erase SPI by manually and it worked fine again.

    Everyone has the same problem, please let me know

    Kind regards

    TRAN

    Hello

    There is a common misconception of what the invalid-spi-recovery crypto isakmp command does. Even without this command IOS already performs a kind of recovery invalid SPI feature by sending a DELETION notify for the SA has received send peer If she already has an IKE SA with this peer. Still once, this happens regardless of whether the order invalid-spi-recovery crypto isakmp is enabled or not.

    With the order of isakmp crypto invalid-spi-recovery , he tries to regulate the condition where a router receives the IPSec traffic with invalid SPI and

    It doesn't have an IKE SA with this peer. In this case, it will try to put in place a new IKE session with the peer and then send a DELETION notification on the newly created HIS IKE. However, this command does not work in all configurations of crypto. Are the only configurations that this command works cryptographic instantiated, for example, Asit, and peer static maps from static cryptographic cards where the peer is defined explicitly. Here is a summary of commonly used configurations of crypto and know if invalid spi recovery works with this configuration or not:

    Crypto config Not valid-spi-recovery?
    Static crypto map YES
    Dynamic crypto map NO.
    P2P GRE with TP YES
    using love TP w / static PNDH mapping YES
    using love TP w / dynamic PNDH mapping NO.
    ASIT YES
    EzVPN client N/A

    For help with your scenario, you can enable DPD (isakmp crypto keepalive) on the shelf to help the recovery tunnel.

    Thank you

    Wen

  • Backup fails with Invalid RECID error

    Hi all

    Please help me understand the guard-section layout

    below the text is
    [http://download.oracle.com/docs/cd/B10501_01/server.920/a96566/rcmtroub.htm#447765]
    Backup Fails with Invalid RECID Error: Solution 2
    
    This solution is more difficult than solution 1:
    
    To create the control file with SQL*Plus:
    
       1. Connect to the target database with SQL*Plus. For example, enter:
    
          % sqlplus 'SYS/oracle@trgt AS SYSDBA'
    
       2. Mount the database if it is not already mounted:
    
          SQL> ALTER DATABASE MOUNT;
    
       3. Back up the control file to a trace file:
    
          SQL> ALTER DATABASE BACKUP CONTROLFILE TO TRACE;
    
       4. Edit the trace file as necessary. The relevant section of the trace file looks something like the following:
    
          # The following commands will create a new control file and use it
          # to open the database.
          # Data used by the recovery manager will be lost. Additional logs may
          # be required for media recovery of offline data files. Use this
          # only if the current version of all online logs are available.
          STARTUP NOMOUNT
          CREATE CONTROLFILE REUSE DATABASE "TRGT" NORESETLOGS  ARCHIVELOG
          --  STANDBY DATABASE CLUSTER CONSISTENT AND UNPROTECTED
              MAXLOGFILES 32
              MAXLOGMEMBERS 2
              MAXDATAFILES 32
              MAXINSTANCES 1
              MAXLOGHISTORY 226
          LOGFILE
            GROUP 1 '/oracle/oradata/trgt/redo01.log'  SIZE 25M,
            GROUP 2 '/oracle/oradata/trgt/redo02.log'  SIZE 25M,
            GROUP 3 '/oracle/oradata/trgt/redo03.log'  SIZE 500K
          -- STANDBY LOGFILE
          DATAFILE
            '/oracle/oradata/trgt/system01.dbf',
            '/oracle/oradata/trgt/undotbs01.dbf',
            '/oracle/oradata/trgt/cwmlite01.dbf',
            '/oracle/oradata/trgt/drsys01.dbf',
            '/oracle/oradata/trgt/example01.dbf',
            '/oracle/oradata/trgt/indx01.dbf',
            '/oracle/oradata/trgt/tools01.dbf',
            '/oracle/oradata/trgt/users01.dbf'
          CHARACTER SET WE8DEC
          ;
          # Take files offline to match current control file.
          ALTER DATABASE DATAFILE '/oracle/oradata/trgt/tools01.dbf' OFFLINE;
          ALTER DATABASE DATAFILE '/oracle/oradata/trgt/users01.dbf' OFFLINE;
          # Configure RMAN configuration record 1
          VARIABLE RECNO NUMBER;
          EXECUTE :RECNO := SYS.DBMS_BACKUP_RESTORE.SETCONFIG('CHANNEL','DEVICE TYPE DISK
          DEBUG 255');
          # Recovery is required if any of the datafiles are restored backups,
          # or if the last shutdown was not normal or immediate.
          RECOVER DATABASE
          # All logs need archiving and a log switch is needed.
          ALTER SYSTEM ARCHIVE LOG ALL;
          # Database can now be opened normally.
          ALTER DATABASE OPEN;
          # Commands to add tempfiles to temporary tablespaces.
          # Online tempfiles have complete space information.
          # Other tempfiles may require adjustment.
          ALTER TABLESPACE TEMP ADD TEMPFILE '/oracle/oradata/trgt/temp01.dbf' REUSE;
          # End of tempfile additions.
    
       5. Shut down the database:
    
          SHUTDOWN IMMEDIATE
    
       6. Execute the script to create the control file, recover (if necessary), archive the logs, and open the database:
    
          STARTUP NOMOUNT
          CREATE CONTROLFILE ...;
          EXECUTE ...;
          RECOVER DATABASE
          ALTER SYSTEM ARCHIVE LOG CURRENT;
          ALTER DATABASE OPEN ...;
    Caution:
          If you do not open with the RESETLOGS option,
     then two copies of an archived redo log for a given log sequence number may
     exist--even though these two copies have completely different contents.
     For example, one log may have been created on the original host and the other on the new host.
     If you accidentally confuse the logs during a media recovery,
     then the database will be corrupted but Oracle and RMAN cannot detect the problem.

    How to open the database without resetlogs?

    This will not help you. You must open the database in resetlogs mode in order to avoid such a scenario. You can open the database in mode restelogs by type
    SQL > alter database open restelogs;
    Instead, he will lose the present trancation in logs online.

    Rgds.

  • How can I perform a clean installation of Mac OS x for my iMAC, retina 5K late 2014 with drive of Fusion with the intact Recovery HD partition?

    How can I perform a clean installation of Mac OS x for my iMAC, retina 5K late 2014 with drive of Fusion with the intact Recovery HD partition?

    Pure how to install OSX on a Fusion drive and keep the recovery disc function

    These instructions assume that your iMAC partitions or file systems has been damaged and you want to restore to the way most efficiency with fusion drive and the recovery partition, similar to what was built in the factory.

    These instructions work for the iMAC, retina 5K end 2014 version comes with OSX Yosemite. The scores of major drive of the 128 G SSD and 3 TB of HARD drive has been configured as a logical drive (merger by car).

    WARNING: These instructions here are shared for interest only. Readers to take their own risk by following these instructions. The author is not responsible for any damage caused by following these instructions.

    This is the target disk partitions, and the configuration that we want to achieve.

    Disk0 is the 128 GB SSD - solid state drive and holds the start of the partition (disk0s3)

    Disk1 is the 3.0 to HDD - mechanical transmission and holds the Recovery HD partition.

    There are two EFI partitions to partition table GUID on both hard drives (disk0s1, disk1s1).

    Disk space remaining (partition disk0s2 and disk1s2) are used to create the disc of Fusion 3.1 to named "Macintosh HD".

    / dev/disk0 (internal, physical):

    #: NAME SIZE TYPE IDENTIFIER

    0: GUID_partition_scheme * GB 121,3 disk0

    1: disk0s1 EFI EFI 209.7 MB

    2: Apple_CoreStorage GB LVG 121.0 disk0s2

    3: disk0s3 Apple_Boot Boot OS X 134,2 MB

    / dev/disk1 (internal, physical):

    #: NAME SIZE TYPE IDENTIFIER

    0: GUID_partition_scheme * 3.0 to disk1

    1: EFI EFI 209.7 MB disk1s1

    2: disk1s2 Apple_CoreStorage TB 3.0 LVG

    3: disk1s3 Apple_Boot Recovery 650.0 MB HD

    / dev/disk2 (internal, virtual):

    #: NAME SIZE TYPE IDENTIFIER

    0: Apple_HFS Macintosh HD + 3.1 TB disk2

    Logical volume on disk0s2, disk1s2

    0D807F6E-FB7C-418F-AAF4-EF3EA3525D10

    Fusion unencrypted drive

    Here's how we do it.

    • A. clean reinstallation of Mac OS x.
    • 1. make sure that you back up all your data on the hard drive using Time Machine or other means. The following procedure will delete all data.
    • 2. create the OSX install USB, insert it to the MAC workstation.
    • 3. given that us will be operated on the internal trunk of the reader of the Mac, it must start on OSX install USB (see Y.).
    • 4. in the menu at the top of the screen, select disk utilities.
    • 5. turn highlighted the volume of disk Fusion called "Macintosh HD." Click clear to clean.
    • 6. If his success, then go ahead to install OSX new to that partition, as usual.
    • 7. otherwise, if it does not, that means fusion drive has been damaged.
    • 8 follow the instructions below to fix it.
    • . B. Split disc Fusion in the physical hard disks
    • 1. Since us will be operated on the internal drive of the Mac trunk, assumes that we already have boot up OSX install USB drive (see Y.).
    • 2. in the menu at the top of the screen, select utilities and Terminal.
    • 3. on the screen of the terminal type:
    • Cs diskutil list.
    • You will see something similar to the screen below.
    • 4 copy the long string after Logical Volume and replace the UUID with it in the following command to delete the logical volume of the disc fusion (aka coreStorage of logical volume):
    • diskutil deletevolume cs UUID
    • For example:
    • diskutil deletevolume E59B5A99-F8C1-461A-AE54-6EC11B095161 cs
    • 5 copy the long string after the logical volume group and replace the UUID with it in the following command to remove the drive (aka coreStorage) fusion:
    • diskutil cs remove UUID
    • p. ex. diskutil cs remove E03B3F30-6A1B-4DCD-9E14-5E927BC3F5DC
    • 6. at this stage, the fusion drive has been deleted, and hardsisk SSD and mechanical hard drive will be reappear in diskutil or separate records.
    • 7. If step 5 or 6 takes more than 30 minutes to complete, this means that the fusion drive has been corrupted. You can follow the commands below to clear the table to partition the hard way. First command clears the SSD drive, second command erases the HARD drive.
    • The command does not return a response, after 1 minute, press Ctrl + Z to complete orders. 1 minute is enough data to code and erase the partition table on the disk.
    • cat/etc/random >/dev/disk0
    • cat/etc/random >/dev/disk1
    • . C install a new copy of Mac OS x for the hard drive HDD and tested this disk partition hard recovery work.
    • 1. go on diskutil to create a partition called Macintosh HD HDD hard drive using all the space there.
    • 2 do the same with the mechanical hard drive.
    • 3. follow the usual procedure to boot from the installation of OSX USB and install a new copy of Mac OS x hard disk SSD.
    • 4. This will create the correct priming of the partitions, recovery hard drive partitions and PSX partitions hard disk HDD.
    • 5. once the installation is complete, test if OSX may start successfully, but no need to go through the initial MAC OS x didn't put in place that we're going to waste this and do the installation again later.
    • 6. we must now test if the recovery hard drive partition works.
    • 7. reboot for hard drive recovery (see X - by pressing command and R at the same time during boot right after that you hear sound start and release only a few seconds after you see the apple logo and the progress bar for loading...)
    • 8. it is important to test and make sure that the partition of hard drive recovery.
    • D. recreate the fusion drive
    • 1 since us will be operated on the internal trunk of the reader of the Mac, it must start on OSX install USB (see Y.).
    • 2. in the menu at the top of the screen, select utilities and Terminal.
    • 3
    . on the screen of the terminal type:
  • diskutil list.
  • You should find that we have a list of disk group hard physical volume only, no logic here still.
  • 4. you will see something similar to the screen below.
  • 5. search for the largest partition on the SSD hard drive, which should be close to the maximum size of HDD to the SSD (121 G, for example) and mark the name of the device, this will usually be something like/dev/disk0s2
  • 6. search the largest disk partition mechanical forming fusion with the SSD hard drive. This should be close to the maximum size of the mechanical hard drive (for example 3 TB) hard disk and mark the name of the device, this will usually be something like/dev/disk1s2
  • 7
  • . Now let's create the merger in car (group alias logical volume) in the Terminal, type: diskutil cs create nom_lecteur driveIDs
  • The number of the driveIDs is unlimited, it may be a number of discs, or a number of disk partitions. Always put the faster discs first, for example for our SSD disk0s2
  • For example:
  • diskutil cs create fusiondrive disk0s2 disk1s2
  • diskutil - the version of disk utility command line.
    cs - This calls for Core Storage, which is necessary for the merger.
    create - creates a basic storage group.
    nom_lecteur - is the name of the drive and how you want that he
  • appear in the disk utility (not the Finder - that comes later). You can call it what you like; in our example, we named our Fusion table "Fusion".

  • driveIDs - Here is the Player IDs of the readers you want as part of your Fusion table, separated by a space. In our example, they are 'disk0' and 'disk1', but it may be different in your configuration.
  • It is important that the faster hard drive appears first in the command, which in our case the disk0s2 (a partition in the SSD). In this way, drive fusion will use this disk as primary and the cache. The second disc in the command, in this case disk1s2 (a partition on the HARD disk). The secondary disk (HARD drive) is used to store less frequently used files.  Otherwise, the fusion drive performance will be worse that it is designed for.
  • 8. you will see something like below appear on the screen:
  • Creation Volume logical storage of kernel
  • Move isk0s2 storage of carrots
  • Disk1s2 of switching for the storage of carrots
  • Waiting for logical volume group appear
  • Discovered the new group of logical volumes 'DBFEB690-107B-4EA6-905B-2971D10F5B53 '.
  • Store LVG UUID: DBFEB690-107B-4EA6-905B-2971D10F5B53
  • Finished CoreStorage operation
  • 9 copy to the bottom of the string after "Discovering new Volume Logic Group" using the command + C
  • 10. next, create the partition of the merger (alias logical volume) drive named "Macintosh HD".
  • In the Terminal, type: diskutil createVolume groupString jhfs cs + size volumeName
  • For example:
  • Diskutil createVolume DBFEB690-107B-4EA6-905B-2971D10F5B53 jhfs cs + 'Macintosh HD' 100%
  • diskutil - once again, this is the version of disk utility command line.
  • cs - called the basic storage functions, which are necessary for this arrangement.
  • createVolume - this is the command to create the storage area real for the reader who is represented by an icon on your desktop.
  • groupstring - this is the long alphanumeric string you copied in the previous step. It identifies the table you created such as getting a volume placed on it.
  • jhfs + -the format of the disc. It is Apple (journaled) extended Format, which is recommended for drives with an operating system installed on it.
  • VolumeName - the actual name of the volume, how it should appear under the icon. If there is a space in the name, you must put the full name in quotes ("name") or put a slash before the (name Drive\) space. In our example, we made these, naming our volume "Macintosh HD".
  • size : this is the size of the volume. In our example, we had a 1.1 TB drive. We used '1100g' to describe what 1100 GB (1.1 TB to base 10). Otherwise, we could have also used 1.1 T or even 100% as a size.
  • 11. go to diskutil to verify that you can see this new partition on the list.
  • 12. test by erasing all the data from it.
  • 13. then you can go ahead to start on the USB drive to install OSX and install a new copy of Mac OS x on it.
  • 14. This will allow you to keep the recovery disk feature.
  • X. how Prime to recover partition
  • Press and hold the command and button R set immediately after hearing the bells to boot.
  • Only release it 2 seconds after you see the Apple logo on the screen and the progress bar for the start. This will start the partition of hard drive recovery.
  • Y. how-to boot OSX install USB
  • Press and hold the command and the optionkey together immediately after hearing the ringing of boot.
  • Only release it 2 seconds after you see the Apple logo on the screen and it will give you a list of startup disk choice, choose the OSX install USB to boot from.
  • Satellite A100 - 147 Compression file error with the product recovery disc

    I have Toshiba A100-147, just out of warranty. I tried to recover with a disk, disk unpack to 69% and then I get the message "ERROR READING OF COMPRESSION FILE (1). I have no choice but to click OK in the error message box, and then quit the recovery as she stops running.

    Any help would be extremely welcome.

    Hello

    It looks like a problem with the Toshiba Recovery CD.
    Have you tried to repeat this procedure?

    What of the HARD drive? You format the HARD drive using an original CD of XP MS?
    It s very interesting if a format of HARD drive could allows to perform the installation of the OS since the Toshiba Recovery CD.

    I remember that something like this has happened on my laptop s friend was not able to recover the operating system using the Toshiba CD. Finally, we found that some sectors on the HARD disk has been corrupted. Format drive HARD allowed integer and my friend was able to install the image of Toshiba.
    It's worth a try ;)

    But of course, this error could occur because of the faulty recovery CD.

  • Satellite l.660-12 q - would the recovery disk rebuild the new HARD disk with a new recovery partition

    Talk about confusion. Does anyone know how to get a Toshiba C660 work after the HARD drive failed and the owner has stupidly NOT followed the instructions to make a recovery disk. Will be the recovery disk (if buy you one from Toshiba) rebuild the new HARD disk with a new recovery partition and install windows 7 (original OS) and accept the product key printed on the Windows license, attached to the base of the laptop. I have read a number of suggestions, but these have been considered incorrect by others.

    Surely, Toshiba must have a way to sort this problem.

    They read these messages?

    Hey Buddy

    I don't think it's really complicated, that I could find all the information about the recovery procedure in the user's manual

    The recovery disk must be created on the first day of purchase its recommended to create one in case something would be wrong with the HARD drive.

    The recovery disk contains an image. The image is a package containing Win system, drivers, tools and all the stuff pre-installed on the notebook.
    You bought the laptop and the system has already been activated so that you have need of t the key placed at the bottom of the unit.
    In addition, the use of the recovery disc formats the drive HARD integer (partitions too) and set the laptop in the same condition as at the first day of the purchase.

    There is also another option to recover the notebook called HARD drive recovery. This HARD drive recovery requires no recovery disk. The recovery disc HARD would be to use format ONLY partition C (System).

  • Desktop HP 110 - 016 (H5P36AA) - it comes with the system recovery?

    Hello, help a friend with an old desktop computer replacement. The specifications of the product on hp.com suggest that perhaps there is no recovery partition, but maybe I'm misinterpreting this (see screenshot below). I just want to make sure that, it is such a partition in the case where this Murphy rules. Thank you.

    According to the specifications, this model comes with a HP recovery Partition and Windows HP Recovery Manager. Please, see performing a recovery of the system HP (Windows 8) for instructions on how to perform a recovery of the HP System. See create recovery discs or record a recovery Image on a Flash USB (Windows 8) drive for instructions on the HP recovery media creation. I highly recommend the creation of recovery disks or USB flash drive. In the case of a hard disk failure, the recovery media will be invaluable.

    If you have any other questions, feel free to ask.

    Please click the White Star of KUDOS to show your appreciation

  • Pavilion 20-b313w: HP Pavilion 20-b313w reset and reinstall with the full recovery disc

    I tried to remove malware from my system so long, so I decided to do a complete reset. Before I have it I order the recovery for my computer disk to reinstall but unfortunately reinstall option disc never came. The recovery partition has been used to reinstall so my computer. I think my computer is still infected because it is in the partition. And because after the reset there are 3 programs in the control panel to uninstall the list of programs that have been updated without an internet connection because I unplugged my computer to the modem during the reset process everything and I am 100% sure that I have not reconnect before seeing these programs. Also, list of updates installed on the Control Panel showed that the 3 programs had updates installed. As these data are still on my system please tell me it is possible for me to do a true thorough reset that removes hard disk and recovery partition then and I can reinstall everything with the HP recovery discs. And please also give advice on the update after. Should I do Windows updates first or updates of HP first. And when it comes to updating the BIOS there are 3 available updates. Can I download and install all 3 starting from the oldest to newest or just the new version? Then when my Windows 8 is fully updated with the HP and Windows tips on how to reinstall Windows 8.1 (free update of Windows Store, no disc) and update? I know I'm asking a lot, but I want to just make sure I do this right so I can enjoy my computer again and if there is a problem, I'll have some kind of reference to look to see where I was wrong. Thanks to all who read this and I am particularly grateful to those who take the time to share their knowledge with me in response.

    Thank you for the additional information.

    Your best option is to use the recovery media that you should have made when you purchased the computer.  If you do not do this, the only other option you have is to buy the media at HP.  The recovery media will restore your computer to its original configuration and reinstall the recovery partition.

    Please click on the button + Thumbs up if I helped you and click on accept as Solution If your problem is resolved.

  • hellohow can I boot my pc with USB {flash recovery}? Win 7 64 bit HP omni 100-pc5120

    hellohow can I boot my pc with USB {flash recovery}? Win 7 64 bit HP omni 100-pc5120

    Thank you.

    Start the PC and read the information on the Welcome screen.

    It should tell you which key press to the start menu.

    On Dell PCs it's F12 on my HP business overall it's F9 of the PC.

    Otherwise, press the F10 key, go into the BIOS and change the boot menu to boot from the USB device first.

  • How to upgrade the already encrypted files on the USB HDD with new XP Recovery certificate

    I backed up the files encrypted in My Documents on a USB drive on which these files are also encrypted state. My computer crashed so I reinstalled the operating system. I wanted to send records encrypted USB HD to my computer or tried to copy projecteurDu and paste them into My Documents. I could not do this because I got "an error occurred in the application...". access privilegesDo i., access is denied. "I created a new recovery certificate and put in place a recovery agent. From there how I update the previously encrypted files on th USB HDD with the new recovery certificate? I'd appreciate a step by step procedure. Can I select the USB drive in the command line and run cipher/u on this drive or make the command/u of encryption on the computer without connecting to the USB HDD

    Sorry to say that my bet is that you never gain access to these files again.

    When you created the files encrypted, Windows creates a key for decryption to access these files and stored, encrypted in your certificate store.  When your system crashed, the decryption key has crashed with it.  Without this key, you will never have access to your encrypted files.  If you have recovered from a backup image-style, you should be able to access these files.  If you've recovered by installing Windows from the installation disc, then you have created a new and different installation with different Secure ID (SID) and a certificate store empty.  A recovery agent will only retrieve encrypted files that were created after that recovery agent was in place - as a new certificate.  What you really need to do, it's your old certificate to restore the backup that you created when you started using EFS.  The following article is mandatory for anyone using the EFS file system.  Special attention to the paragraph entitled "why you should back up your certificates.

    "Best Practices for encrypting file system"
     <>http://support.Microsoft.com/kb/223316 >

    If you do not have a return to the top of your certificate, then things look dark.  There is a program called "AEFSDR' whose 'professional' version comes through what has not been overwritten on your hard drive in search of remains of certificates that could be delivered together to recover.

    Good luck
    HTH,
    JW

  • Did a system restore complete with built-in recovery partition on the hard drive, the recovery went well, but the computer is still slow and freezing.

    Original title: computer always slow and freezing after clean install

    It is a compaq 2007 desktop running windows vista premium, I work on it for a friend, they said he was running slow and freezing up all the time so I just went ahead and did a system restore complete with built-in recovery partition on the hard drive, the recovery went well but still have the same problems with the computer being slow and freezing up. any help would be appreciated thanks.

    Hello

    Step 2: You can also check if the problem persists in the clean boot state.

    Put your boot system helps determine if third-party applications or startup items are causing the problem.
     
    Try the steps in step 1 in the article to put your computer in clean boot mode.
    http://support.Microsoft.com/kb/929135

    Thanks and greetings
    Umesh P - Microsoft technical support.

    Visit our Microsoft answers feedback Forum and let us know what you think.
    [If this post can help solve your problem, please click the 'Mark as answer' or 'Useful' at the top of this message.] [Marking a post as answer, or relatively useful, you help others find the answer more quickly.]

  • I'm trying to restore my win7 with HP USB recovery Flash Disk, I get the following two messages

    I'm trying to restore my win7 with HP USB recovery Flash Disk, I get the following two messages:

    "Do not create C:\Users\User\AppData\Local\Temp; c:\arc\01Script\FormatUFD.SP' and the messsage "Fail to create.

    How to port HP_recovery in car to my flash drive?

    Windows 7 x 64, HP G62-144DX

    Hello:

    I can't help you with this specific issue, but if you can get it is resolved and you can read the product key 25 character Microsoft Windows on the bottom of your PC, do your own installation of W7 media to reinstall W7.

    Here's how:

    If you can read the Microsoft windows 7 25-character product key, you can download simple Windows 7 ISO files to burn on a DVD for the version of windows that is installed on your PC, and which is listed on the Microsoft COA sticker on your PC case.

    Burn the ISO with the option to burn the ISO on your DVD burning program and burn it at the slowest possible speed that will allow your program. This will create a bootable DVD.

    Or use the installation of Windows 7 USB/DVD tool to compile the ISO file that you download from Digital River. Link and instructions below. You need a 4 GB flash drive to use the USB compilation method.

    http://www.microsoftstore.com/store/msstore/HTML/pbPage.Help_Win7_usbdvd_dwnTool

    Use 25 characters on the PC product key to activate the installation.

    The key will activate a 32 or 64 bit installation.

    Then go to the support of the PC and driver page to install the drivers you need.

    Link to downloads ISO of W7 is below.

    http://www.mydigitallife.info/official-Windows-7-SP1-ISO-from-Digital-River/

    Paul

  • DMVPN with digital ceritificates and Hub acts as a CA server

    Hello guys,.

    is there anyway to configure the DMVPN with digital certificates and change the router Hub to act as a CA server?

    Thank you

    Yes, you can do it, go ahead and set up your router, Hub, with the normal DMVPN configuration so that it becomes the hub. After doing that follow the link below to add public key infrastructure server features:

    http://www.Cisco.com/en/us/docs/iOS/12_3t/12_3t4/feature/guide/gt_ioscs.html

    And to register for the rays on the hub, use this link:

    http://www.Cisco.com/en/us/Tech/tk583/TK372/technologies_configuration_example09186a0080210cdc.shtml

    Remember that regardless of the router Hub being the authority of CA, you must sign up for itself to allow the IKE PKI authentication.

  • DMVPN with dynamic failover HSRP/IPSEC

    "DMVPN with dynamic failover HSRP/IPSEC."

    Hi all. Is this possible? When you use a direct IPSEC LAN to LAN, you have a card encryption and when you secure the card encryption at the source of the tunnel interface, you configure "' crypto map redundancy with State '."

    The DMVPN does not use encryption card, sound by using an IPSEC profile with protection of tunnel. How you configure stateful with HSRP IPSEC in this situation?

    We're heading for a double cloud dmvpn topology with 2 heads dmvpn geographically separate. I want that every network head to have a redundancy HSRP, which can be done fairly easily. But I also want State IPSEC to be replicated for all security associations IPSEC do not fall in the case of a failover. Is it possible in this scenario and how?

    Thanks a lot as always.

    Hello again ;-)

    There are currently no plan at the moment (that I know) to mix with State redundancy and anythign with protection of tunnel.

    Frankly it is best to create redundancy in DMVPN termination on both turntable and relying on routing protocols - which I am sure you aware of so I won't bore you with details.

    That said, my personal observation is - if you want a failover go to ASA, when you have routers, you have all these wonderful tools like VTI/GRE for IPsec that mix well with routing protocols, and MUCH MUCH more. It is very often to change some timers for routing protocol driven "failover" happen very quickly.

    Marcin

  • Applications of multiple simultaneous connection with invalid password saturates the UDP ports and can lower the infrastructure of database 11g.

    Problem statement:


    Multiple simultaneous connection requests with invalid password saturates the UDP ports and can bring down the 11 GR 2 (11.2.0.4) database infrastructure.


    When the API try to put applications that is not able to connect and DB is still suspended as long and we restarted to solve the problem.


    So, I'm curious to know if a fix is available for this problem without having to restart the database.

    Multiple simultaneous connection requests with an invalid password

    Have you tried to use the password?

    can lower the 11 GR 2 (11.2.0.4) database infrastructure.

    I have to say that I am skeptical about this claim. I didn't know the database or the listener down due to attempts to connect not valid. Can you give us an error message or two confirming this?

    The right course of action is to use the correct password in the application.

    See you soon,.
    Brian

Maybe you are looking for

  • Carpet * Combo DVD player does not work on Satellite M30X

    I have a Satellite M30X with a combo DVD player.My drive I ve formatted, then I installed the readers on the recovery cd and one existing on the toshiba web site and the reader to continue to not be able to write on DVD´s. The installed drive is: mas

  • Tecra 8200: need a new LCD Panel

    The LCD on my Tecra 8200 [model N°-PT820E-01EQP-FR] is cracked and needs to be replaced. The existing expert group is a Philips LP141X7-C1T0, but hard to find, and the ones I found are expensive. Does anyone know of all other compatible signs that I

  • Sony UWA-BR100 Wireless USB stick.

    Hello. I bought a Bravia a year ago, which was ready wifi. I also bought a USB stick for wireless Internet. After a year Flash DRIVE suddenly stopped working. It was quarrantee anger so I had to pay for a new. I searched many shops plus some Internet

  • installed the madness of motocross on windows 7 and I get a missing d3drm.dll message

    original title: motocross madness installed the madness of motocross on windows 7 and I get a message of lack d3drm.dll is a solution for this? compatibility said his is supposed to play.

  • XP crashed after auto update

    XP crashed after auto update on asus netbook. No recovery method does work it IE safe mode, last known config, bootlogging etc. Systems freezes at \drivers\mup.sys