10/31/2008 15:31:06,,Error,[382] Logon to server 'BIZTALK\PRODUCTION1' failed (ConnUpdateStartExecutionDate) 10/31/2008 15:31:06,,Error,[298] SQLServer Error: 258<c/> Unable to complete login process due to delay in login response [SQLSTATE 08001] 10/31/2008 15:31:06,,Error,[165] ODBC Error: 0<c/> Login timeout expired [SQLSTATE HYT00] 10/31/2008 15:31:06,,Error,[298] SQLServer Error: 258<c/> Shared Memory Provider: Timeout error [258]. [SQLSTATE 08001]From this time on those error messages ar ebeing populated every few minutes. I tried restarting the SQL Server Agent service. Also it seems like all the jobs scheduled are able to complete successfully.