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Home » Kerio User Forums » Kerio Connect » LDAP connection error happens randomly after 9.2.3 installed (LDAP connection error happens randomly and all user pause and ask to input login password)

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We have been using Kerio Connect for 6 years above. Recently we experience LDAP connection error, once this happen all users pause and ask to input password again. But this happen randomly with below warning log showed. We notice this is only happen after install the recent 9.2.3 version update. Strangle thing is we can still connect to the ADs in Kerio Edit domain / directory service after such disconnection.
Kerio Connect is installed at Mac Mini server with the latest MACOS install. This error happen very randomly like 5-6 times a day or every second day. Our current method to solve this is restart the Mac mini server, since stop and start Kerio service does not help. Anyone has experience and a clue to solve this? It is very troublesome. Thanks.

Can't bind to LDAP server simple bind failed. User name: uid=administrator<_at_>,cn=users,dc=xxxx,dc=com. Err. code: -1, message: Can't contact LDAP server, LDAP srv. message: (NULL). ThreadId: 4766994432
Can't bind to LDAP server using any supported authentication method. Username: administrator<_at_> (ThreadId=4766994432)
Failed to list users, LDAP server isn't available.

Too many connections to LDAP servers ( Number of actual connections is 32 and is limited to 32.
[11/May/2017 21:04:52] Failed to list users, LDAP server isn't available.

[Updated on: Fri, 19 May 2017 03:42]

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