Error 17806 Severity 20 State 2 Sql Server 2008
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Error 17806 Severity 20 State 2. Sspi Handshake Failed
vote We installed SQL Server 2005 Std Ed and MSProject application uses the instance.. error 17806 severity 20 state 14 Getting following Eorr Message SSPI handshake failed with error code 0x80090311 while establishing a connection with integrated security; the connection
Error 18056 Severity 20 State 29 Sql Server 2008
has been closed. [CLIENT:
hell The infamous SSPI Failed error strikes again! One of our SQL servers was generating these errors for “some” Windows logins but not all. Error: 17806, Severity: 20, State:
Error: 18452, Severity: 14, State: 1.
2. SSPI handshake failed with error code 0x8009030c while establishing a connection with sspi handshake failed sql server 2012 integrated security; the connection has been closed. [CLIENT: 192.168.1.1] Error: 18452, Severity: 14, State: 1. Login failed for user
Sspi Handshake Failed With Error Code 0x80090311
". The user is not associated with a trusted SQL Server connection. [CLIENT: 192.168.1.1] After exhausting all of the normal troubleshooting for this error (accounts locked, disabled, Sql Service accts, bad https://social.msdn.microsoft.com/Forums/sqlserver/en-US/b5d48c3d-65b6-401d-8b21-5e127faeb5f1/error-17806-severity-20-state-2?forum=sqlintegrationservices connection strings, SPN’s, etc.) I spent the next few hours learning more about the way SQL handles authentication requests than I had ever wanted to know. The Scenario – A couple of separate individual Windows ID’s started generating these errors while attempting connections, all other windows logins were working properly. The connections were initially happening through applications, but also occurred through sqlcmd. When http://www.allenkinsel.com/archive/2010/06/sql-server-and-sspi-handshake-failed-error-hell/ logged in to the server locally with the offending ID’s the connections to SQL would succeed. The Troubleshooting process – Check all the regular SSPI issues, I wont bore you with the details as they are easily searchable A relatively easy way of checking the “easy” authentication issues If possible/appropriate is to log into the SQL Server locally with the offending ID and fire up sqlcmd and connect to the server via sqlcmd –Sservername,port –E (by specifying the port you force TCP/IP instead of LPC, thereby forcing the network into the equation) Verify whether the login is trying to use NTLM or Kerberos (many ways to do this but simplest is to see if there are any other KERBEROS connections on the machine) SELECT DISTINCT auth_scheme FROM sys.dm_exec_connections If Kerberos is in use, there are a few additional things to verify related to SPN’s, since only NTLM was in use on this server I skipped that Determine if the accounts were excluded from connecting to the machine through the network through a group policy or some other AD setting After all of these checked out OK, I began
Join me at SQL Intersections in October 2016 Join me at SQL Intersections for a great lineup this year! FreeCon in Seattle, October 27th http://dbaduck.com/2007/08/31/error-in-sql-error-17806-error-18452-sspi-problem/ before PASS Summit 2015 SQL Server TDE on Mirror and Log Shipping Calendar August 2007 S M T W T F S « Jul Sep » 1234 567891011 12131415161718 19202122232425 262728293031 Tag Cloud Events Fragmentation Index LogShipping Mirroring Networking PASS Summit PowerShell SMO SQL TDE Vista IIS ASP Windows 7 WMI Error in SQL (Error: 17806, severity 20 Error: 18452) SSPI ProblemPosted on August 31, 2007 by dbaduck • 6 CommentsI recently came across this while managing a clustered SQL Server. There were various messages listed out on forums, etc., but for me we found that the error was originating because we have DNS issues and Domain Controllers (DC) was unreachable due to a network switch severity 20 state configuration problem. So if you see these errors, you may see in the EventLog a NetLogon error relating to not being able to reach a domain controller to login, and you will get the error below because the DC is the one that hands the Kerberos token to the process for use in SSPI related activities. Logon,Unknown,Error: 17806 Severity: 20 State: 2. Logon,Unknown,Login failed for user ". The user is not associated with a trusted SQL Server connection. [CLIENT: IPAddress] Logon,Unknown,Error: 18452 Severity: 14 State: 1. Logon,Unknown,SSPI handshake failed with error code 0x80090311 while establishing a connection with integrated security; the connection has been closed. Good luck and have a great SQL day. Filed Under: SQL Server← Working with SSIS in SQL Server 2005SQL PASS 2007 has concluded →6 Responses to Error in SQL (Error: 17806, Error: 18452) SSPI Problem Anthony Robinson says: August 1, 2008 at 10:09 So did you ever find a solution to this issue? Reply dbaduck says: August 1, 2008 at 10:24 Yes, the issue was that the DN