29 solutions found, page 1 of 2
0XC00002AB This Active Directory error means you're trying to modify or create an object with a class that doesn't match its schema. It's usually a replication o...
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....
0X00002076 This error means you're trying to read or write an attribute that isn't defined on the object schema. The fix is usually a schema update or a correcte...
0XC0000193 Logins fail with this error when a domain or local user account has passed its expiration date. The fix is to extend or remove the expiration in Activ...
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 ...
0X000020A2 Active Directory can't apply permissions because the security descriptor is corrupt. Fix by resetting the SD using ADSI Edit or repadmin....
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 ...
0X0000212C Active Directory won't let you move an object between domains? Here's why and how to fix it fast....
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...
0X000020B9 Active Directory sync or monitoring tool threw this because its LDAP notification filter is too nested or has too many objects. Usually a bad app conf...
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...
0X00002560 That error means the DNS server hit a bad record while loading zones. You'll need to find and fix or skip that record....
0X000020EF Active Directory replication fails with a generic unknown error due to lingering objects. Removing the offending DC from replication fixes it....
0X000020C4 This error pops up when you try to add a new attribute to the Must-Contain list in Active Directory schema, but the attribute doesn't exist yet in the...
0X000008A8 You'll see error 0X000008A8 when a domain join fails because Windows thinks the computer already belongs to that domain. Here's why and how to fix it....
0X00002593 Error 0X00002593 pops up when you try to add a conditional forwarder that already exists as a zone. I'll show you how to delete the duplicate zone or ...
0X00002595 DNS zone won't load because it's shut down. Quick fix: restart the DNS service or re-enable the zone. Common on Windows Server....
0X000020D1 AD can't cache an attribute, usually due to schema issues or replication delays. Here's the real fix that works....
0XC000026D This error hits when a client tries to reach a DFS share but the target server's DFS service is dead or misconfigured. I'll get you back online fast....