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Windows Active Directory LDAP Error 49 Replication Failure

This error is generally related to the local KDC (Key Distribution Center). In that case :

Stop the KDC service using :

net stop KDC

It may be impossible to stop the service. In that case, set it’s startup state to “disable” and reboot.

Purge the ticket cache using :

krbtest /callpackage:purge:

Deleting tickets: (null)\(null)

If Kerbtest returns :

Deleting tickets: (null)\(null)

token failed: 0xc00000fe, 0x 7803bbb0

then set the KDC service startup state to “disable” and reboot the DC. Then re-run kerbtest that should now work.

Replication should then be able to run properly. To check it, trigger the replication of the schema naming context on the local DC using on the local DC:

repadmin /sync CN=Schema,CN=Configuration,DC=enterprise,DC=com %computername% <rep_partner_GUID>

If it works, the replication will then occur properly for the three naming contexts next time it’ll get scheduled.

Then restart the KDC on the local DC using :

net start kdcActive DirectoryActive Directory