Hi! Have anyone answer to following warning: Event Type:WarningEvent Source:MSExchangeISEvent Category:Virus Scanning Event ID:9874Date:1/14/2008Time:3:23:30 PMUser:N/AComputer:NODE1Description:Unexpected error 0x50a occurred in "EcProcessVirusScanQueueItem" during virus scanning. Mailbox Database: /o=ESS/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Configuration/cn=Servers/cn=Exchange/cn=Microsoft Private MDB Folder ID: 1-24 Message ID: 1-7FC8D16FA4 Before that warning I have upgraded Exchange 2007 RTM to SP1 and after that log is full of that warning. FSE is upgraded to SP1 before I madeExchange upgrade. I have moved Exchange group to other node and same issue move other node. I have also restarted both nodes. Thanks!

I am seeing the exact same issue. No solution yet.