113 solutions found, page 1 of 6
0X00002021 This AD replication error means something's corrupt in the protocol. Usually a bad domain controller, a time sync issue, or a lingering object. Here's...
0X00090320 This error means Windows couldn't finish validating your credentials. The quick fix is clearing cached credentials or resetting the network adapter....
0X00000549 This error hits when a domain controller or member server tries a security operation on a domain that's in the wrong state. Usually during demotion or...
0X8004D100 This error means the MSDTC transaction coordinator blocked your connection. It's usually a firewall or authentication issue. Here's the real fix....
0XC0000070 This error means the user account is locked out of logging on from that specific PC. The fix is almost always in Active Directory or the local securit...
0X00002649 This error means a secure DNS update isn't finished yet. Your computer started the update but the server said 'keep going.' Here's how to finish it....
0XC0000104 This error means Windows thinks your logon session is stale. We'll fix it in three steps: logoff/reboot, clear cached credentials, then nuke the stuck...
0X00001A2C This error means a transaction handle went stale. Almost always caused by a broken NTFS transaction or SQL Server connection. Here's the fix....
0XC0020051 This error means a remote procedure call (RPC) connection lacks required info. Usually a network or auth config issue. Start with a quick ping, then c...
0X80004033 Com error caused by a bad SPN in Kerberos. Usually from a misconfigured service account or DNS mismatch. Quick fix: delete and re-register the SPN....
0XC000035C Happens when Windows deletes your cached SMB session credentials and can't re-authenticate silently. The fix is forcing a new session or adjusting cre...
0XC000018C This error kills domain trust for a machine. Start with a quick rejoin fix, then check DNS and secure channel. No need to rebuild the whole domain....
0X0000216A This error means the SPN couldn't be built because the host name has a bad format. The fix is to check the servicePrincipalName attribute and fix the ...
0X0000052E This error means Windows can't match the username or password you entered. It's almost always a typo, locked account, or domain trust issue....
0X000000E6 This error means a named pipe connection got corrupted mid-communication. Usually happens with SQL Server, remote WMI queries, or custom service-to-se...
0XC0000068 This error means Windows can't verify a user belongs to a required group. Happens after domain changes, group policy updates, or ad-hoc permission twe...
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....
0X00090323 This error pops up when Windows can't establish a secure LSA context, often during authentication or printing. Here's how to squash it fast....
18456 This error means SQL Server can't verify who you are—usually a double-hop authentication problem. I'll show you the fix in under 2 minutes....
0X000020A2 Active Directory can't apply permissions because the security descriptor is corrupt. Fix by resetting the SD using ADSI Edit or repadmin....