anyone seen this error before and know what it means!

Event Type: Warning
Event Source: MNGR
Event Category: None
Event ID: 20000
Date: 3/24/2008
Time: 11:32:25 AM
User: N/A
Computer: ABBB
Description:
COM Error 0x80004005 in ConnectionItem::ValidateConnection() - Connection failure - Unspecified error