Mac Mail will constantly be disconnected with Time Capsule

It has been ongoing for more than a year: I the time Capsule AC version (bought fall 2014) and uses a Macbook (version slim retina released in March 2015.) 12 "I am constantly the mailbox in offline mode in the Mail from Mac application.  The status bar displays "Error of account" and when I click on the error box, it gives the following message:

DRAW THE ATTENTION OF

There may be a problem with the mail server or the network.  Check the "iCloud" account settings or try again.

The server returned the error: connection to the server "p15 - imap.mail.me.com" on default ports has expired.

If I temporarily turn off Wifi and turn back on right, the error messages disappear and download new messages.  Everything works fine for a few hours, and then I start to see those! exclamation points! next to my mailbox.

Initially I thought it was a problem with the Macbook.  They did a replacement under warranty of the wifi module into the Macbook.  Still the same problem.  So yesterday, I noticed that my iMac 27 "retina is sometimes as well.  And also, it is fixed temporarily by activating / disabling wifi on and outside.

Interestingly, my business partner, who has the same version AC Time Capsule and retina macbook 12 "even I experienced the EXACT SAME SYMPTOMS in his house.  (Mailbox log in Mac app, remedied temporarily by activating / disabling wifi power).

It's to drive us both crazy.

Both have tried to remove the email accounts of our Macs and rebuild them.  Still the same problem.

Is there a problem of connectivity between the time Capsule AC and some Mac computers?  I do NOT notice the problem when I'm connected to all other routers in other locations and mobile.

If anyone has a thought on this, I would appreciate it a lot.  I am about to replace my Time Capsule with another brand of router in order to solve the problem, but all other routers are so ugly and I don't want some Darth Vader looking black thing with 8 antennas in my living room.

I assume that you are running the latest OS to el capitan?

The iMac is also updated for later?

El Capo had e-mail problems... so I assume also that you have updated to the latest patch.

Your experience with the laptop when you suggest that mobile are still correct... It is the TC at fault.

There are known problems happening... not universal, which is a shame because then it would be imposed on Apple to fix... but it is not uncommon.

I would recommend a reconfiguring of the TC... See the list below.

I understand your network a little better.

1. what modem do you have? Brand and model please.

2. your ISP using IPv6 or spend now?

3. is the work of TC as main router or bridge? (The answer might be inherent in the 1st quarter, but if it is a modem router I need the exact details).

4. is the modem, also located in your living room... If you run ethernet instead of modem, a router could be installed right next to the modem... and the TC has changed to the bridge? It can work perfectly as a WAP right and for the TM backup when you remove its role in the delivery.

Darth (breath in) Vader (exhale) Asus or Netgear router... which I suppose you don't not aesthetically... get to work extremely well.

Start from a factory reset. No files are lost on the drive hard in doing so.

Universal factory reset

Turning off the TC... That is, remove the power supply cord or the power at the wall outlet, wait 10 seconds... Hold the reset button... be nice... Turn on always even now in reset... and keep holding in for another 10 seconds. You may need assistance because it is difficult to hold in reset and power on. It will show the success quickly flashing led front. Release reset... and wait a few minutes for the TC to reset and return with the factory settings. If the front LED flashes quickly you missed and simply try again. The reset is quite fragile in these... Press the key while it is just click away and not more... I've seen people bend lever or even break. I use a toothpick as a tool.

NB. None of your files on the hard drive of the TC are removed... This simply clears the settings of the router of the TC.

The installer the TC.

And then redo the configuration of the computer with the Mavericks - Yosemite - ElCapo. (MYELCAP)

1. the use of very short names... NO APPLE RECOMMENDED names. Without the space and pure alphanumeric characters.

for example TCgen5 for the base station and the name of the TCwifi wireless.

If the problem is using wireless TC24ghz and TC5ghz with fixed channels like this also seems to help stop school dropouts. (I recommend you do cela.. 2.4 ghz 11, 9, 5 GHz use 36 or 149)

2. use all passwords also consistent with 1. but maybe a little longer. IE 8 and 20 characters of mixed cases and numbers... no alphanumeric non-caracteres.

3. If the TC is router, you can ignore this point. It is only a problem when the TC is bridged.

If ensure that the TC is always the same IP address... you will need to do this on the main router using a dhcp reservation... or a bit more complex setup by using the static IP address in the TC. But it's important for deriving from intellectual property in all directions when MYELCAP do not remember his name for 5 min after a reboot done for poor network management.

4. check that your share on the computer name does not change... (It was mostly from the Mavericks)

Make sure that it is also in line with the above... short without space and pure alphanumeric... but this change will mess up your TM backup... so be prepared to make a new, full backup. Sorry... keep this one for the second round, if you want to avoid a new backup.

5 attach the TC disc into the computer manually. (Expired for El Capo... just use Finder...) Connect the box below search)

In Finder, go, connect to the server in the main menu,

Type in SMB://192.168.0.254 (or whatever ip of TC is that you made static. It's a default router 10.0.1.1 and I encourage people to stick with it unless you know what you're doing).

You can use the name... SMB://TCgen5.local where you replace TCgen5 with your name of TC... local is the default domain of the TC and does not change.

However the names are not so easy as... the IP address nor reliable. They are not at least not in Yosemite. The field can also be a problem if you are not clogged or wireless directly to the Treasury Board.

6. ensure that IPv6 is set to link-local only in the computer. (Depends on your ISP and if they moved to IPv6.. e.g. comcast).

For example wireless open network, wireless and Advanced preferences / TCP/IP... and the difficulty of IPv6. link-local only. Do the same for the ethernet if you use it.

In the TC configured only IPv6 local link... assuming you're on IPv4 yet.

It is very important with some ISPS like cox cable at this time.

It is a lot more jiggery pokery, you can try, but the above is a good start... If you still find not reliable... don't be surprised.

You may need to do more work on the computer itself. for example, to reset the NVRAM/PRAM/SMC... helped some people. A clean installation of the operating system is also useful if you update installed.

These changes could amount to little more... practical household good network... but I salute them as a starting point.

It's going to ruin your Time Machine configuration... So if you change the TC its location in the network name must be passed to TM... so open TM preferences and put the backup to the new location. TM will then say that he will make a new backup... once he starts, he will find the TC and original backups... check it out... and then do another differential... so no problem. If you are prompted to you want to use the old and new locations of backup just say a new.

Tags: Wireless

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    And then redo the configuration of the computer with the Mavericks - Yosemite - ElCapo. (MYELCAP)

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    for example TCgen5 for the base station and the name of the TCwifi wireless.

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