Thanks for your reply SSCRookie.

We do have a witness server setup. Here's the log entries from the 12 am hour. There weren't any further entries about the mirroring connection before or after 12am. -Thanks

09/22/2010 00:15:43,spid19s,Unknown,Database mirroring connection error 4 'An error occurred while receiving data: '64(The specified network name is no longer available.)'.' for 'TCP://remoteserver:5022'.

09/22/2010 00:15:43,spid19s,Unknown,Error: 1474<c/> Severity: 16<c/> State: 1.

09/22/2010 00:15:43,spid19s,Unknown,Database mirroring connection error 4 'An error occurred while receiving data: '64(The specified network name is no longer available.)'.' for 'TCP://remoteserver:5022'.

09/22/2010 00:15:43,spid19s,Unknown,Error: 1474<c/> Severity: 16<c/> State: 1.

09/22/2010 00:00:15,spid18s,Unknown,This instance of SQL Server has been using a process ID of 508 since

9/21/2010 6:31:58 AM (local) 9/21/2010 10:31:58 AM (UTC). This is an informational message only; no user action is required.

09/21/2010 07:28:11,spid52,Unknown,Using 'xpstar90.dll' version '2005.90.4035' to execute extended stored procedure 'xp_instance_regread'. This is an informational message only; no user action is required.

09/21/2010 07:28:11,spid52,Unknown,Using 'xpsqlbot.dll' version '2005.90.4035' to execute extended stored procedure 'xp_qv'. This is an informational message only; no user action is required.

09/21/2010 07:28:11,spid52,Unknown,Configuration option 'show advanced options' changed from 1 to 0. Run the RECONFIGURE statement to install.