Hi All, In the SQL server 2005 (std edition) of SharePoint 2007 server farm is giving below errors. Event Id: 17806 Source : MSSQLSERVER Description: SSPI handshake failed with error code 0x8009030c while establishing a connection with integrated security; the connection has been closed. [CLIENT: SharePoint Servers IP] SQL server losses connection with all SharePoint servers in the farm for certain fraction of minutes. During this time above errors are occurring. This is occurring once in two weeks for 30seconds. Is there any issue with SQL server? TCP\IP protocals are enabled. ----------------- V235

This will help you out. http://forums.asp.net/169/ShowForum.aspx ------------------------------------------------------ If this post is helpful please mark it as answered so others can able to use it.

Hi Civic, thanks for reply... i dint get any suggestion from that link...

It might be some problem with AD. However, would you plz paste all messages around the timestamp in ERRORLOG file?If you think my suggestion is useful, please rate it as helpful. If it has helped you to resolve the problem, please Mark it as Answer. Sevengiants.com

check this discussion may be u can find an answer to your question http://social.msdn.microsoft.com/Forums/en-US/sqldataaccess/thread/db3d8038-4c3b-4daa-b5c9-b1486fe1d3c5/