Cannot generate SSPI context. (Microsoft SQL Server, Error: 0)

Hi,

I am working on sql server 2005 .

when I am trying to connect to server:

following error is occuring:

TITLE: Connect to Server

Cannot connect to servername

ADDITIONAL INFORMATION:

Cannot generate SSPI context. (Microsoft SQL Server, Error: 0)

Could any one help What might be the problem ? for this ?

Thanks,

Ramki

Your SPN is not setup correctly. Take a look at the following article for resolution.
http://support.microsoft.com/kb/811889