And we found out inside Windows system event the error message: The kerberos SSPI package generated an output token of size 12536 bytes, which was too large to fit in the SQL Server 2012SQL Server 0 votes 0 answers Elaine2 months ago connect to databaseI am using vb.net and I try to insert from my web in visual studio to my sql You saved my time.. –Charan Sep 27 at 2:41 add a comment| up vote 2 down vote The "Cannot Generate SSPI Context" error is very generic and can happen for a This will be less likely in corporate environments where the DNS configuration should be well planned. check over here
The clients are always using the IP adress of the db-server  Server side: 1. If the SSPI interface does not find the SPN, Kerberos authentication is not performed. Copyright © 2002-2016 Simple Talk Publishing. For additional information, see the "Security Account Delegation" topic in SQL Server 2000 Books Online.
SQL Server is configured to work on Windows authentication & running as network service (these two things are must for my project). Does the server start successfully? The connection string has a data source of (Local) when it fails as well as the one above. Continue × Register as SonicWALL User Sorry, we are having issues processing your request.
SSPI uses a file named Security.dll. Verify that the server is running Windows 2000 Service Pack 1 (SP1). Reply Moon says: September 4, 2007 at 6:17 pm I want to give you a big hug!!! Odbc Sql Server Driver Cannot Generate Sspi Context Share this:EmailFacebookLinkedInLike this:Like Loading...
The reason why they work is subtle and I’ll discuss it later. Reply kmb says: August 25, 2008 at 3:54 pm I'm sure there are many complex causes for this SSPI context error. I agree the situation of a machine joined to a domain but separated from it and running SQL locally is quite common. helped a lot to understand things.
Can you ping your server? Sqlexception (0x80131904): The Target Principal Name Is Incorrect. Cannot Generate Sspi Context. Authentication failures, SSPI Context problems, file transfers started out slow, failed and then worked fine.. Be aware that only TCP/IP provider can provides the benefits of Kerberos authentication as discussed in http://blogs.msdn.com/sql_protocols/archive/2005/10/12/479871.aspxBack to the questions we left before, the reason that disconnected from network In most related cases, customers report this issue as "I can connect to my local SQL Server, but once I connect to my network, I can't connection to my local SQL
RESOLUTION: You need to reset SPN. We're using the "SQL Server .NET Data Provider" and I belive this protocol uses the the default protocol of the server, which is 1) TCP/IP and 2) Named pipes. Cannot Generate Sspi Context Sql Server 2012 The VB Application identified by the event source logged this Application MODE: Thread ID: 3300 ,Logged: ------------------------------------------------------------------------------------ Error Number :-2147467259 Error Description :Invalid connection string attribute Error Source :Microsoft OLE DB The Target Principal Name Is Incorrect. Cannot Generate Sspi Context (microsoft Sql Server) Kerberos is used to perform the security delegation.
Reply Pietjegates says: December 7, 2010 at 11:36 pm I received this error because the password of the "functional user account" running my webservice was expired. check my blog I disabled the fire wall on Windows 2008(so that i dont have to worry about the ports. But when i do the same from SQL enterprise manager of one system to ssms of another,i get "Cannot generate SSPI context" message. share|improve this answer answered Nov 28 '09 at 13:48 gbn 270k40382483 Thank you for your immediate response! 1. The Target Principal Name Is Incorrect. Cannot Generate Sspi Context. (.net Sqlclient Data Provider)
Ming. For example, the invalid SPNs that the client-side SQL Server driver can form as resolved fully qualified DNS are: MSSQLSvc/SQLSERVER1:1433 MSSQLSvc/184.108.40.206:1433 MSSQLSvc/SQLSERVER1.antartica.corp.mycompany.com:1433 MSSQLSvc/SQLSERVER1.dns.northamerica.corp.mycompany.com:1433 When the SQL Server driver forms an SPN Click OK three times, and then exit the ADSI Edit snap-in. this content Reply SQL Server Connectivity says: February 3, 2006 at 3:57 pm One of the following should fix your problem: (1) Use the new SQL Native Client provider instead of SQLOLEDB by
Reply GG says: January 10, 2006 at 5:05 pm Blessings, You saved me another 3 hours after the 5 I already spent on the issue… Reply TW says: January 26, 2006 System.data.sqlclient.sqlexception: Cannot Generate Sspi Context. Verify if the account that you use to start SQL Server has the appropriate permissions. Reply Follow UsPopular TagsSQL Server SQL Server Cluster SQL Server 2005 connectivity Connection String SQL Browser Firewall Login Vista Longhorn PowerShell Windows Server 2008 R2 setup hang SQLConnection Windows 7 10055
Make sure Pricipal is "SELF", Type is "Allow" and "Applied to" is "This Object Only", in Properties section, select the properties below: Read servicePrincipalName Write servicePrincipalName Click OK to apply all When I looked at the configuration manager, named pipes and shared memory were both enabled (good). If your logon domain is different from the domain of the computer that is running SQL Server, check the trust relationship between the domains. 3. The Target Principal Name Is Incorrect. Cannot Generate Sspi Context C# Is just a cover error for any underlying Kerberos/NTLM error.
It can also help to set up a named pipe alias for the server. It uses this connection string. With SQL Server, you can run the SQL Server service under one of the following: a LocalSystem account, a local user account, or a domain user account. have a peek at these guys What is the SQL Server Protocol enabled? [ TCPIP and Named Pipes 4.
I can able to log in directly in SQL –Prasanna Nov 28 '09 at 17:12 3 Fixing App pool user/password did it for me. –SAM I AM Jun 24 '15 Users might wonder why network library chooses TCP/IP provider instead of Shared Memory provider, if the connection string is not prefixed with “tcp” and the server is local. If SELF is not listed, click Add, and then add SELF. 6.
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