16 solutions found
0X00002153 Active Directory won't start after a failed restore or boot into DS Repair Mode. Usually a database corruption or missing system state files....
0X00002173 Your domain controller can't replicate because the forest schema is too high. This fix gets you back online fast....
0X000020A9 This error means Active Directory already has a dead or alive object with the same name. Here's how to find and remove it fast....
0X00002100 This error shows up when trying to add a domain controller that’s already referenced in Active Directory. Usually caused by a lingering server object ...
0X0000213E You can't create an object under the schema container. This usually means you're running as the wrong user or the schema master is unreachable....
0X000020E6 Active Directory can't read a child object. Usually a replication conflict or corrupted DC. I'll show you the three most common causes and how to fix ...
0X000021AE This error means a domain controller's server object is missing from Active Directory. You'll fix it by checking DNS, repairing metadata, or forcing d...
0X0000218D This error means AD couldn't derive a service principal name because a required server object reference is missing. Common fix: restore the deleted se...
0X000020EF Active Directory replication fails with a generic unknown error due to lingering objects. Removing the offending DC from replication fixes it....
0X0000212E Active Directory domain controller promotion failing? This error means a naming context is missing its parent. Here's the real fix....
0X000020D3 This error hits when AD tries to remove an attribute from the cache during schema updates. The fix is clearing the schema cache or rebooting the DC....
0X00002025 This error pops up when LDAP compare command returns false, usually due to attribute mismatch or stale domain controller cache....
0X00002024 Happens when AD hits a hard limit on directory searches or LDAP queries. Usually a maxPageSize or administrative limit issue....
0XC0000801 Windows won't let you log in or access domain resources because a domain rename is still in progress. The fix is to force-complete or abort the rename...
0X0000206D This error pops up when AD tools try to use a non-NC head as root. Happens in LDAP operations or repadmin. Fix by verifying naming contexts....
0X00001F45 This error means File Replication Service hit an internal fault. Usually a corrupt journal wrap log or bad NTDS settings. Fix it fast with these steps...