11 solutions found
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....
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 ...
0XC0020018 Happens when Windows RPC hits its thread pool limit under heavy load. You'll see this on busy servers or domain controllers. The fix is adjusting RPC ...
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...
0XC0000155 This error means Windows denied network access because of logon rights. Usually it's a credential issue with mapped drives or scheduled tasks. Fix is ...
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....
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...
0X0000209F Active Directory can't resolve a name type during cross-forest lookups. Usually a mismatched DNS or missing SPN. Here's how to kill it....