VSAN interrogator multicast with igmp snooping active requirement

Similar Questions

• Multicast traffic stops flowing after a while when using IGMP snooping

  Hi all

  I have the following configuration:

  :

  Where host 1 is a multicast traffic source and host 2 is a customer of multicast traffic. IGMP snooping is configured on both switches.
  Host 2 boots and sends an IGMP report, in order to join the multicast host group 1. Given that SW2 does not know where the mrouter from the group, adds port Eth1/1 to the Group of snooping and removes the package, the IGMP packet. Once host 1 starts, it sends an IGMP query (which is flooded by the port channel), and multicast traffic starts to flow to host 2.
  When I ran 'show ip Mattia snooping groups' I've seen the same result on both switches: on the two switches of the groups the Eth1/1 and the channel port, but after a while, the switch connected to the host 2 deleted the channel of the port of the group.
  After consultation with the switch logs and sniff traffic on one of the channel port on SW1 interfaces, I came to the conclusion that happens since SW1 ceases to send queries generated by host 1 and responding to them locally (some proxy or something). I also noticed that IGMP reports generated by host 2 stop arriving on SW1 (since SW2 do not know that there a connected mrouter more across the channel of the port).

  My questions are:

  1. How does SW1 knows he should keep the channel port as part of the group, if it does not IGMP reports coming from SW2 more?

  2. what happens if the host 2 is not interested in multicast traffic, but do not send and IGMP leave message (a behavior that is supported according to the Protocol, to my knowledge)? How SW1 knows he should cease to IGMP sent from host 1 query response?

  Thanks in advance,

  Omer.

  Hello

  The problem is because you have not mrouter port sw1. It is well documented by virtue

  http://www.Cisco.com/c/en/us/support/docs/switches/Catalyst-6500-Series-...

  There are 3 ways you can solve this problem.

  1. enable Pim on Sw1.

  Or

  2. enable ip igmp snooping interrogator on Sw2

  Or

  3. create staitc mrouter port on sw2.

  ip igmp snooping vlan 1 mrouter interface PoX
  
  

• IP igmp snooping questioning?

  I have read these forums and noticed that many people have problems with multicast configuration. Basically, problems are bandwidth floods, no interrogator, confusing the router pim configuration...

  In addition, ive seen some promisses of technical stuff that next gen linksys switches will have #ip igmp snooping inquiringly, as cat. so I am interested if anyone can give me the answer.

  It's an interesting question for a lot of people who wouldn't be expensive switches chat for this kind of simple use.

  Kind regards

  David

  Hi David,

  You have much more options as seen in the GUI, so I though I'd put as simple network together and run you through a validation.

  But I guess you have the updated version of the switch SRW224G4P called SRW224G4P-K9-NA.

  If you have the old switch what follows is irrelevant for you.

  I implemented a simple network diagram showing my simple network topology used during my wee test;

  I chose the RV042 as my router from Layer 3 in this network.

  It was really to provide DHCP services, but shortly after that all devices have IP addresses, I removed the RV042, becauise, I noticed he was sending IP IGMP General queries.     Something that I didn't have in the next test.

  

  I was using a software based multicast Tester, produced by the wonderful people at Twisted Pair Solutions.  This software can send or receive multicasts to a defined group, and that correctly meets General IGMP queries. I'll call this software MCT (multicast test).

  I got the software MCT on PC C.  PC C is connected to the switch 10 port, it sends the multicasts in the switch at a rate of about 10 packages of multicast a second.

  I got the software MCT on PC PC a. is plugged into the switch port 1.  She is set to receive and count of multicasts from switch

  I got B PC connected to the switch port 2. PC B check switch statistics, but do not try to receive multicasts of 3 PC.

  I had Setup multicast snooping on VLAN 1 and mark according to the screenshot of GUI.

  Note: I had only one vlan on the switch.

  

  In a composite of two screenshots below, you can see that the status between the IGMP queries is enabled.

  

  I removed the RV042 out of the network, because I noticed in an on PC A wireshark capture, the RV042 sent General group queries.  I wanted to switch to reprise this role

  I waited a few minutes and only displays the igmp activity.

  It can be clearly seen in the screenshot below;

  • Switch series SG300 sent General queries (2 minutes) of the IP source 172.16.1.100.
  • He waited for the general query router mcast, but when none came, 60 seconds later sent it's own general request.  Fair enough, he had to assume that a router mcast can send general queries every minute.

  

  Statistics of the switch can be seen below, it showed.

  • B PC on the switch port that G2 was not invaded by the multicasts, in other words snooping works;
  • Port 10, PC C sends to 2962 of multicast to switch packets.
  • Port 1, PC A 2900 receives multicast switch packets
  • port 2B, PC is not part of the multicast group 234.55.66.77 and as such is not invaded by the multicasts.

  All three PCs are windows based products, and some of the multicasts emanate from these devices.

  See the interafce County property

  Port InUcastPkts InMcastPkts InBcastPkts InOctets

  ---------------- ------------ ------------ ------------ ------------

  gi1             12           9            6           3493

  247 237 6 43733 IG2

  gi3             0            0            0            0

  gi4             0            0            0            0

  gi5             0            0            0            0

  gi6             0            0            0            0

  gi7             0            0            0            0

  gi8             0            0            0            0

  gi9             0            0            0            0

  GI10 26 2962 3 850881

  gi11            0            0            0            0

  gi12            0            0            0            0

  gi13            0            0            0            0

  gi14            0            0            0            0

  gi15            0            0            0            0

  gi16            0            0            0            0

  gi17            0            0            0            0

  gi18            0            0            0            0

  gi19            0            0            0            0

  gi20            0            0            0            0

  gi21            0            0            0            0

  gi22            0            0            0            0

  gi23            0            0            0            0

  gi24            0            0            0            0

  gi25            0            0            0            0

  gi26            0            0            0            0

  gi27            0            0            0            0

  gi28            0            0            0            0

  Port OutUcastPkts OutMcastPkts OutBcastPkts OutOctets

  ---------------- ------------ ------------ ------------ ------------

  Article IG1 13 2900 9 839691

  IG2 233 9 90453 343

  gi3             0            0            0            0

  gi4             0            0            0            0

  gi5             0            0            0            0

  gi6             0            0            0            0

  gi7             0            0            0            0

  gi8             0            0            0            0

  gi9             0            0            0            0

  GI10 24 343 12 47165

  gi11            0            0            0            0

  gi12            0            0            0            0

  gi13            0            0            0            0

  gi14            0            0            0            0

  gi15            0            0            0            0

  gi16            0            0            0            0

  gi17            0            0            0            0

  gi18            0            0            0            0

  gi19            0            0            0            0

  gi20            0            0            0            0

  gi21            0            0            0            0

  gi22            0            0            0            0

  gi23            0            0            0            0

  gi24            0            0            0            0

  gi25            0            0            0            0

  gi26            0            0            0            0

  gi27            0            0            0            0

  gi28            0            0            0            0

  If I look at the groups of multicast on switch, it shows that only two ports were involved in the 234.55.66.77 multicast group.  This is the correct behavior.

  switch4cf17c #sh ip igmp snooping group

  Group VLAN Source include Ports Ports Exclude Comp.

  Address mode address

  ---- ------------ ------------ -------------------- -------------------- -----

  1 234.55.66.77 * article IG1, gi10 v2

  1 239.255.255. *            gi1-2,gi10                                v2

  250

  Just to complete the display, here's the CLI command (highlighted) to enable the feature in the interrogator on the switch.

  [Kswitch4cf17c #sh run

  Bridge multicast filtering

  IP igmp snooping

  IP igmp snooping vlan 1

  applicant ip igmp snooping vlan 1

  interface vlan 1

  172.16.1.100 IP address 255.255.255.0

  output

  interface vlan 1

  no ip address dhcp

  output

  hostname switch4cf17c

  No complexity of passwords allow

  No server snmp Server

  The telnet server IP

  Hope this helps you and others

  Best regards, Dave

• IGMP snooping on a stack

  Hello

  I have 2 N4032F in a stack.

  The switches are for a VSAN cluster.

  I want to enable IGMP snooping so I can use them for a 2nd VSAN cluster (in one VLAN different).

  At the moment I have not put up to no matter what VLAN for the current cluster uses the native VLAN 1.

  What are appropriate measures that I have to do to enable IGMP with minimum downtime?

  Thank you

  The best place to start is page 449 of the cli guide. It details the commands to enable IGMP snooping, and what is each order.

  Dell.to/1KxGn74

  Here is an example of allow the IGMP.

  Console (config) # ip igmp snooping

  Console (config) # interface vlan 2

  Console (Config-if-VLAN2) # ip igmp snooping

  IGMP snooping is enabled, but there are still other parameters that can be put in place and are dealt with in the section the guide IGMP snooping.

  Once Setup you can use the following command to check the status of monitoring IGMP cuerrent.

  Console (config) #show ip igmp snooping

  See you soon

• N3000 (6.1.1.7) issue igmp snooping

  G ' Day!

  I am setting up a new N3048P switch and having a weird problem with multicast packets invaded to all ports in the Vlan ONLY when there is no one joined in this multicast group, IE. shows "show ip igmp snooping group' the table is empty"there are currently no entries in the table."

  If there is one or more hosts who have joined the multicast group that the IGMP Snooping works as expected - no flooding - multicasts packets arrive only on interfaces where the hosts 'asked' for it and in the IGMP Snooping table according to the output of the command 'show ip igmp snooping group'.

  Anyone seen this before? Is this a normal behavior?

  After the reading of the bible (tools.ietf.org/.../rfc4541) it comes to the behaviour expected of an 'unregistered package' in accordance with paragraph 3, of tools.ietf.org/.../rfc4541

• Multicast with AP1141N

  Recently, I had 4 1141N access points installed in my house. Everything works fine except that I have a Windows application for Lutron lighting control that uses multicast to find the main Lutron control on the network device. If my PC is on a wired connection, everything works fine. The software can 'discover' the Lutron controller on the network without problem. However, when I try to exactly the same thing on the same PC but using Wi - Fi, it does not work.

  I wonder if there might be a setting on the WAP that must be set to enable multicasting. The guys who installed the network were late, so I suspect they just accept the defaults for everything they could, and perhaps multicasting is not enabled by default.

  Any ideas on what I need to do to change the WAP config to enable multicast?

  Karl

  Run the command 'no ip igmp snooping' or ' no ip igmp snooping vlan "on the CLI AP to get multicast switch and let me know how it works for you.

  Concerning

  Surendra

• Smartphones blackBerry activation required

  My Storm 2 displayed "Activation required" displayed on the home screen.

  Contacted my provider and they said everything is OK their end and to communicate with black berries.

  Everything seems to work properly but I can delete this post... Any ideas please.

  Or is anyone know how contact Blackberry directly

  A reset or the registry of the HRT will not solve this problem.

  Who is the brand for the Storm2? Verizon?

  To remove the "Activation required" text at the top of the screen, you need to access CDMA SETTINGS on your BlackBerry to press the Green dial and enter # 000000 and press the green button again. You must enter the screen change the CDMA.

  If the unit is branded to Verizon, and if you are in a House of Verizon calling area, you will not be able to access this screen, and then you're stuck with as is.

  I'm sorry.

• Battle of VSAN (2 node with node witness Cluster) cannot write to VSAN

  I'm having problems with my Cluster active VSAN and can't seem to write in the data store or migrate a virtual machine to download whatever it is him. When I try a vMotion VM over the VSAN DS I get an error "file impossible creation a full operation, an unknown error occurred."

  Here is my layout,

  Two Clusters with the node of witness, one with 2 nodes

  Each host has 2 discs with a Cache and running as FLASH capacity and disk HARD hybrid Type. Field of the fault, I have a witness preferred and secondary each host is divided.

  Here are the best, I got a work around, if I change the host of fd perfered and when updating the domain fault I can during this brief moment write to the data store. That's how I'm migration of VMs for the moment.

  Any suggestions?

  Thank you

  VSAN Checkup shows that everything works well? My guess is that your 2 hosts have problems with communication with the node of witness or vice versa.

  Try to modify the VSAN storage policy to enable ForceProvisioning as a test, if it works, the problem is probably problem of config/route network communicates with the witness.

• HP Elite X 2 1011 G1 compressed: secure with BCU TPM activation error

  Hi, I am trying to activate the TPM secure with BCU, but every time I get this error at startup

  "MUD embedded controller data are invalid then that MPM is locked.
  Please MPM to unlock and lock again to capture data of valid MUD. "with accept and 10 - > 0 counting down.

  -I am able to change the other settings of the BIOS with the BCU, but not of TPM.

  -the BIOS password

  -J' I reset the default bios settings

  This is the file I used for config

  BIOSConfig 1.0
  Security level of TPM device
  * Change
  View
  Hide
  TPM Embedded Security security level
  * Change
  View
  Hide
  BONES of TPM security level management
  * Change
  View
  Hide
  Reset the TPM secure of operating system security level
  * Change
  View
  Hide
  TPM reset to the factory settings
  * No.
  Yes
  Reset the TPM security of OS
  Disable
  * Select
  BONES of the TPM Management
  Disable
  * Select
  Activate the TPM on next startup
  Disable
  * Select
  TPM device
  Hidden
  TPM 1.2
  * TPM 2.0
  TPM activation policy
  * F1 at startup
  Allow the user to reject
  No prompt

  And it is the newspaper (after the second execution of the script, all the parameters have been updated in the first inning, but TPM activate next startup update every time I run the script)

  19/07/2016 11:25:22.240764 | 9040 | Definition of | HP:hared:treamLog:treamLog. Severity of log level > = Info
  19/07/2016 11:25:22.240764 | 9040 | Info | HP:hared:treamLog:treamLog. BEGIN.
  19/07/2016 11:25:22.240764 | 9040 | Info | BiosConfigUtility::InitInstance | *****************************************************
  19/07/2016 11:25:22.240764 | 9040 | Info | BiosConfigUtility::InitInstance | * HP c. 4.0.15.1 Bios Configuration utility *.
  19/07/2016 11:25:22.240764 | 9040 | Info | BiosConfigUtility::InitInstance | *****************************************************
  19/07/2016 11:25:22.897080 | 9040 | Info | BiosConfigUtility::InitInstance | Platform: 2009 - HP Elite x 2 1011 G1 compressed
  19/07/2016 11:25:22.897080 | 9040 | Info | BiosConfigUtility::InitInstance | BIOS version: 1.13 16/05/2016
  19/07/2016 11:25:22.897080 | 9040 | Info | BiosConfigUtility::InitInstance | Manufacturer: Hewlett-Packard
  19/07/2016 11:25:22.897080 | 9040 | Info | BiosConfigUtility::InitInstance | Computer name: CL103009999204
  19/07/2016 11:25:22.897080 | 9040 | Info | BiosConfigUtility::InitInstance | Serial number: 5CG55264Z8
  19/07/2016 11:25:22.897080 | 9040 | Info | BiosConfigUtility::InitInstance | Unicode supported password: Yes
  19/07/2016 11:25:22.897080 | 9040 | Info | BiosConfigUtility::InitInstance | OS: Microsoft Windows 10 Enterprise 64-bit
  19/07/2016 11:25:22.897080 | 9040 | Info | BiosConfigUtility::InitInstance | OS version: 10.0.10240
  19/07/2016 11:25:22.897080 | 9040 | Info | BiosConfigUtility::InitInstance | Command line: [BiosConfigUtility64.exe / set: new.repset /cpwdfile:12345678.bin / verbose/l]
  19/07/2016 11:25:22.897080 | 9040 | Info | BiosConfigUtility::InitInstance | *****************************************************
  19/07/2016 11:25:23.022093 | 9040 | Info | biosconfig::utils:howMessage. < SUCCESS msg = "password successfully reading the file" / >
  19/07/2016 11:25:23.318998 | 9040 | Info | biosconfig::FileSettings:GetSettings | Charge of implementation 'TPM Device security level' with 3 values.
  19/07/2016 11:25:23.318998 | 9040 | Info | biosconfig::FileSettings:GetSettings | Responsible for defining 'TPM Embedded Security security level' with the 3 values.
  19/07/2016 11:25:23.318998 | 9040 | Info | biosconfig::FileSettings:GetSettings | Charge of implementation "OS management of TPM security level" with the 3 values.
  19/07/2016 11:25:23.318998 | 9040 | Info | biosconfig::FileSettings:GetSettings | Charge of setting "Reset of TPM of operating system security level" with 3 values.
  19/07/2016 11:25:23.318998 | 9040 | Info | biosconfig::FileSettings:GetSettings | Responsible for defining 'TPM reset to the factory default values' with 2 values.
  19/07/2016 11:25:23.318998 | 9040 | Info | biosconfig::FileSettings:GetSettings | Full setting 'Reset the TPM for OS' 2 values.
  19/07/2016 11:25:23.318998 | 9040 | Info | biosconfig::FileSettings:GetSettings | Charge of "OS management of TPM" layout with 2 values.
  19/07/2016 11:25:23.318998 | 9040 | Info | biosconfig::FileSettings:GetSettings | Charge of setting 'Enable the TPM on next boot' with 2 values.
  19/07/2016 11:25:23.318998 | 9040 | Info | biosconfig::FileSettings:GetSettings | Full adjustment "TPM Device" 3 values.
  19/07/2016 11:25:23.318998 | 9040 | Info | biosconfig::FileSettings:GetSettings | Riddled with political 'TPM Activation' attitude 3 values.
  19/07/2016 11:25:23.318998 | 9040 | Info | biosconfig::FileSettings:GetSettings | Read the 10 file settings.
  19/07/2016 11:25:23.318998 | 9040 | Info | biosconfig::FileSettings:ApplySettings | Apply all the settings of the BIOS
  19/07/2016 11:25:26.350584 | 9040 | Info | biosconfig::FileSettings:ApplySettings | In 'Device TPM security level' changeStatus = 'skip '.
  19/07/2016 11:25:26.366188 | 9040 | Info | biosconfig::FileSettings:ApplySettings | 'TPM Embedded Security security level' setting changeStatus = 'skip '.
  19/07/2016 11:25:26.381834 | 9040 | Info | biosconfig::FileSettings:ApplySettings | 'The OS level security TPM Management' layout changeStatus = 'skip '.
  19/07/2016 11:25:26.417235 | 9040 | Info | biosconfig::FileSettings:ApplySettings | Setting "Reset of TPM of operating system security level" changeStatus = 'skip '.
  19/07/2016 11:25:26.439250 | 9040 | Info | biosconfig::FileSettings:ApplySettings | Setting 'TPM reset to the factory default values' changeStatus = 'skip '.
  19/07/2016 11:25:26.458811 | 9040 | Info | biosconfig::FileSettings:ApplySettings | Setting 'Reset of the TPM for OS' changeStatus = 'skip '.
  19/07/2016 11:25:26.475825 | 9040 | Info | biosconfig::FileSettings:ApplySettings | Implementation changeStatus "OS the TPM Management" = "jump".
  19/07/2016 11:25:26.571695 | 9040 | Info | biosconfig::FileSettings:ApplySettings | Setting 'Enable the TPM on next boot' changeStatus = 'pass' returnCode = 0 oldValue = newValue 'Disable' = 'enable '.
  19/07/2016 11:25:26.591711 | 9040 | Info | biosconfig::FileSettings:ApplySettings | Setting "TPM Device" changeStatus = 'skip '.
  19/07/2016 11:25:26.614732 | 9040 | Info | biosconfig::FileSettings:ApplySettings | 'TPM Activation strategy' setting changeStatus = 'skip '.
  19/07/2016 11:25:26.642752 | 9040 | Info | biosconfig::FileSettings:ApplySettings | Processing parameters: 10, errors: 0 warnings: 0, was ignored: 9, succeeded: 1
  19/07/2016 11:25:26.649256 | 9040 | Info | biosconfig::utils:howMessage. < SUCCESS msg = "no error occurred" / >
  19/07/2016 11:25:26.649256 | 9040 | Info | HP:hared:treamLog: ~ StreamLog | End.

  See you soon

  I noticed that using TPM 1.2 does not give me this problem, so I went to that and everything was good. I expected that TPM 2.0 was less probematic, but it is not true.

• Error in windows 2003 Standard Edition with Service Pack 2... The server {00024500-0000-0000-C000-000000000046} is not registered with DCOM within the required time.

  Could someone fix for the error below...

  OS: Windows 2003 Standard Edition with Service Pack 2...

  Event type: error
  Event Source: DCOM
  Event category: no
  Event ID: 10010
  Date: 08/08/2012
  Time: 10:00:31
  User: n/a
  Computer: BP1WHIAP011
  Description:
  The server {00024500-0000-0000-C000-000000000046} is not registered with DCOM within the required time.

  Hello
  For assistance on this issue, you can post your question in the Technet Forums.
  http://social.technet.Microsoft.com/forums/en-us/categories/

• When I try to access utility 'defrag' from Microsoft, a link to "Diskeeper" is everything that happens with download and purchase required.

  When I try to access utility 'defrag' from Microsoft, a link to "Diskeeper" is everything that happens with download and purchase required.  What is an intrusion to avoid?  It is possible to access the Microsoft defrag utility?

  Glen, have you ever tried to download Diskeeper?

  If so, he may have added something on your computer for access to defragment.

  You're going to start > all programs > Accessories > system tools > Disk Defragmenter and obtaining the pop-up window?

  Check in Add/Remove programs and see if something diskeeper is installed then uninstall it.

  Post back with more information, make and model of the pc, current anti-virus, browser and operating system and the service pack.

  also:

  Download, install, update and do a full scan with these free malware detection programs at:

  Malwarebytes (MMFA): http://malwarebytes.org/

  SUPERAntiSpyware: (SAS): http://www.superantispyware.com/

  After back with the results.

• Black screen with a cursor active

  I have problems similar to others.  After that I connect to my computer, it goes to a black screen with a cursor active.  After a few minutes my screen saver turns on, but he won't top counter just a black screen?  I tried to start it 5 or 6 times without result. I haven't added new programs (that I know) unless they have been updated automatically.

  What is the problem and the fix... Thank you

  Original title: Steve

  Hello

  See if that helps you.

  Do a Safe Mode system restore to before the problem started.

  http://bertk.MVPs.org/html/restoresysv.html

  How to access Safe Mode

  http://www.bleepingcomputer.com/tutorials/how-to-start-Windows-in-safe-mode/#Vista

  @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

  If it doesn't, try a startup repair and / or a system restore using a DVD of Vista from Microsoft

  Manufacturers recovery disks normally do not have Service Options; they are normally a relocation to the factory only settings option.

  Here is the guide to repair Options using a Vista DVD from Microsoft.

  If a friend or a work acquantance of yours has one, you can borrow and use it for repairs.

  http://www.bleepingcomputer.com/tutorials/repair-Windows-with-Windows-Startup-Repair/

  Table of contents

  1. Overview of Windows Vista repair options
  2. How to perform an automatic repair of Windows Vista using Startup Repair
  3. Advanced Tools Overview
  4. Conclusion

  If you do not or can not borrow a Microsoft DVD there is a download of a file ISO of Vista Startup Repair available that you can put on a Bootable floppy to make the above startup repair and that the method is recommended by a large number of posters in these Forums.

  Unfortunately, you have to buy it.

  Here is a link to it:

  http://NeoSmart.net/blog/2011/Windows-Recovery-discs-updated-reinstated/

  See you soon.

• The server {8BC3F05E-D86B-11D0-A075-00C04FB68820} is not registered with DCOM within the required time.

  This morning when I checked my system log, it was filled with errors, while saying:

  The server {8BC3F05E-D86B-11D0-A075-00C04FB68820} is not registered with DCOM within the required time.

  A quick search of the register revealed that it identifies Windows Management Instrumentation (WMI). I looked, and indeed, he was arrested. When I tried to start it, I got the error message:

  Could not start the Windows Management Instrumentation service on Local computer

  Error 193: 0xc1

  All the help I can find on the subject assumes that the application does not have the required permissions. Nothing has been deliberately changed. I tried to do a restore of the system of the last days at several checkpoints and received messages that it could be done. So, I checked all the required permissions were still in place.

  My operating system is XP Pro SP3 with all updates applied.

  So, I have to say that something broken, perhaps in the framework of an automatic update or another. Now, when I try to run Microsoft Update, it just hangs.

  Maybe there is not enough information here, but I'm looking for more help on troubleshooting. I have the system tools enough to report all the news of trial if necessary.

  Thank you

  Don

  Even if I had run a chkdsk/r on my system disk and he come clean, I have decided to launch a sfc/scannow and found 3 DLLs that were somehow not original. Once these have been restored, the errors have stopped (so far). While it was only 30 minutes, it is the longest, I went all day with no error message. I'm keeping my fingers crossed.

• Disable the automatic connection for Windows 7 with 1 single active account.

  I've searched high and low on Google but all I could find are methods to allow the automatic connection.

  Is it possible to have Windows 7 load to the top of the selection of Auditors even screen with 1 single active account?

  I remember what is a function available in XP.

  There are probably more simple methods, but it certainly works: create a fake account, then bring it to be hidden from the logon screen. The following batch file will do it for you when it is run under elevated privileges. Of course, you must disable the usual automatic connection setting via this command:

  Control userpasswords2

  And here's the batch file. Use the copy & paste - do not retype! Note that the line starting with
  "echo > % RegFile" is a very long line that ends in 'UserList]. " Not to break upward.

  off @echo
  Set RegFile="%temp%\reg.reg".
  echo > RegFile % REGEDIT4
  echo > RegFile % [HKey_Local_Machine\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList]
  echo > RegFile % "DummyUser" = DWORD: 00000000
  Regedit RegFile %
  NET user DummyUser supercalifrag / add

• the server is not registered with DCOM within the required time.

  I use Windows 7 Enterprise Edition (SP1). It works fine while working on it directly. But when I try to make the remote access connection in the machine it is restarted after a certain time (1 hour or more). I found error in the following system logs:

  Log name: System

  Source: Microsoft-Windows-DistributedCOM

  Date: 01/04/2013 18:41:34

  Event ID: 10010

  Task category: no

  Level: error

  Keywords: Classic

  User: n/a

  Computer: xxxxxx.yyyy.net

  Description:

  The server {AAC1009F-AB33-48F9-9A21-7F5B88426A2E} is not registered with DCOM within the required time.

  The event XML:

   

     

      10010

      0

      2

      0

      0

      0 x 80000000000000

     

      10589

     

     

      System

      XXXXX.yyy.NET

     

   

   

      {AAC1009F-AB33-48F9-9A21-7F5B88426A2E}

   

  Hi Varun,

   

  Thanks for posting your question in the Microsoft Community.

   

  The question you posted would be better suited in the TechNet Forums.

  I suggest you to ask your question in the below link:

   

  Windows 7 networking:

  http://social.technet.Microsoft.com/forums/en-us/w7itpronetworking/threads

   

  I hope that the information above helps you.

  In the future if you fall on any question relating to Windows, please do not hesitate to post your request here on Microsoft Community, we will be more than happy to help you.