Administrator should deregister this spn manually to avoid client authentication errors

 · Error: 0x6d3, state: 4. Administrator should deregister this SPN manually to avoid client authentication errors. A. Every time SQL Server starts up it attempts to register its SPNs and every time it stops SQL Server tries to unregister its SPNs. If the SQL Server service runs under the Local System, Local Service, or Network Service accounts the SPN goes on the computer object in Estimated Reading Time: 10 mins.  · Administrator should deregister this SPN manually to avoid client authentication errors." Yes it is a production system and any help is welcome. I tried using domain account that has sysadmin and local admin www.doorway.rus: 1.  · The SQL Network Interface library could not deregister the Service Principal Name (SPN) for the SQL Server service. Error: 0x45b. Administrator should deregister this .

Administrator should deregister this SPN manually to avoid client authentication errors. Server The SQL Network Interface library could not deregister the Service Principal Name (SPN) for the SQL Server service. Error: 0x54b. Administrator should deregister this SPN manually to avoid client authentication errors. Server The SQL Network Interface library could not deregister the Service Principal Name (SPN) for the SQL Server service. Error: 0x45b. Administrator should deregister this SPN manually to avoid client authentication errors. We have returned a number of them Administrator Should Deregister This Spn Manually To Avoid Client Authentication Errors. enthusiast (maximum) settings @ in DX10 www.doorway.ru in advance version to

Error: 0x2af9, state: Administrator should deregister this SPN manually to avoid client authentication errors. Logon Error: , Severity: 14, State: Logon Login failed for user 'domain\User3'. Reason: Failed to open the explicitly specified database 'DatabaseName'. Error: 0x6d3, state: 4. Administrator should deregister this SPN manually to avoid client authentication errors. A. Every time SQL Server starts up it attempts to register its SPNs and every time it stops SQL Server tries to unregister its SPNs. If the SQL Server service runs under the Local System, Local Service, or Network Service accounts the SPN goes on the computer object in AD and SQL will have the permissions it needs by default to register and unregister its SPNs. Administrator should deregister this SPN manually to avoid client authentication errors. Didn't know I needed an SPN. So I Googled it and have been bombarded with info.