Hello,

it turned out that our LDAP Server (a samba4 DC) goes down for a short time to run a backup of its internal database. When an EAS Client (iPhone in that case) connects / is connected during that downtime, the following error shows up in the SOGo logfile:

Jun 30 06:25:13 sogod [318]: [ERROR] <0x0x5555cfc6b5d0[WOHttpTransaction]> client disconnected during delivery of response for <WORequest[0x0x5555d26e1960]: method=POST uri=/SOGo/Microsoft-Server-ActiveSync?User=Derst&DeviceId=G9T5OB0U196F557L5P7SOLU7PK&DeviceType=iPhone&Cmd=Ping app=SOGo rqKey=Microsoft-Server-ActiveSync rqPath=(null)> (len=13): the socket was shutdown

It's still strange that SOGo doesnt try again immediately after that fail, for the LDAP is only down for a minute.

Nevertheless, we now turned off the shutdown of the LDAP server because the backup is well running without the shutdown. We'll see if that fixes the problem.

Greets

Chris


Am 19.06.23 um 17:25 schrieb Christian Herrmann (c.herrm...@createc-solution.com):
Hello,

we have the problem that subscribed SOGo calendars of other internal users suddenly disappear. The only indication in the SOGo log file is a 404 error during PROPFIND:

Jun 18 06:34:10 sogod [20934]: 192.168.32.157 "PROPFIND /SOGo/dav/michael.burgard/Calendar/domain_D_admin_55F-5F38D980-3-6A327380/ HTTP/1.1" 404 93/306 0.004 - - 0 - 12 Jun 18 06:34:10 sogod [20837]: 192.168.32.157 "PROPFIND /SOGo/dav/michael.burgard/Calendar/domain_D_admin_55F-5F38D780-1-6A327380/ HTTP/1.1" 404 93/306 0.004 - - 0 - 14

This happens at irregular intervals, it can take 2 weeks or 2 or more months for it to occur. In Thunderbird, these calendars are marked with an exclamation mark and are grayed out. If you restart TB, these calendars are completely gone. They are also no longer visible in the SOGo web frontend and must be re-subscribed. However, when re-subscribing, the originally set colors are taken over again.

I have the feeling this only happens with users who have their iPhones synced via EAS / SOGo-ActiveSync, though i cannot confirm this 100%.

Anyone having an idea? Any recommendations to dig further into the issue?

Greets

Chris


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