Error 2886 Windows Server 2008
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How To Enable Ldap Signing In Windows Server 2012 R2
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Event Id 4343 Ldap Authentication On Interface
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"LDAP Interface Events" ( event-id 2886 ) Fred / 8 June 2010 During a migration from windows server 2003 ldap interface events to a windows server 2008 R2. Did I got LDAP Warnings in the event log of the Active Directory. Event ID 2886 appeared like every 24 hours and we didn't know https://technet.microsoft.com/en-us/library/dd941829(v=ws.10).aspx where to find it. In your eventlog you will see a warning like below. Log Name: Directory Service Source: Microsoft-Windows-ActiveDirectory_DomainService Date: 1-6-2010 9:33:00 Event ID: 2886 Task Category: LDAP Interface Level: Warning Keywords: Classic User: ANONYMOUS LOGON Computer:
2008 R2 on September 2, 2012 by Thomas Adams Introduction On a brand new install of Windows Server 2008 R2 you may notice http://os-kb.co.uk/02/09/2012/windows/event-id-2886-ldap-signing the following warning event in the event viewer for the Active Directory Domain Services with regards to LDAP binds. Event Details Here are the Event Details: Log Name: Directory Service Source: Microsoft-Windows-ActiveDirectory_DomainService Date: 02/09/2012 14:08:11 Event ID: 2886 Task Category: LDAP Interface Level: Warning Keywords: Classic User: ANONYMOUS LOGON Computer: DC01.domain.local Description: The security of this directory server can be event id significantly enhanced by configuring the server to reject SASL (Negotiate, Kerberos, NTLM, or Digest) LDAP binds that do not request signing (integrity verification) and LDAP simple binds that are performed on a cleartext (non-SSL/TLS-encrypted) connection. Even if no clients are using such binds, configuring the server to reject them will improve the security of this server. Some clients may currently event id 2886 be relying on unsigned SASL binds or LDAP simple binds over a non-SSL/TLS connection, and will stop working if this configuration change is made. To assist in identifying these clients, if such binds occur this directory server will log a summary event once every 24 hours indicating how many such binds occurred. You are encouraged to configure those clients to not use such binds. Once no such events are observed for an extended period, it is recommended that you configure the server to reject such binds. For more details and information on how to make this configuration change to the server, please see http://go.microsoft.com/fwlink/?LinkID=87923. You can enable additional logging to log an event each time a client makes such a bind, including information on which client made the bind. To do so, please raise the setting for the "LDAP Interface Events" event logging category to level 2 or higher. Event Xml: