The user is Unavailable/Unavailable, SID=Unavailable

[steve]

What appen to my computer? There are tons of errors
messages in system event log:

source : DCOM
event id: 10002
user: n/a
description:
Access denied attempting to launch a DCOM Server. The
server is:
{00020906-0000-0000-C000-000000000046}
The user is Unavailable/Unavailable, SID=Unavailable.

 

[Laura E. Hunter \(MVP\)]

Which SP are you running? This was theoretically fixed in SP3, or there's a
separate COM patch available here:

http://support.microsoft.com/default.aspx?scid=/servicedesks/bin/kbsearch.asp?Article=303685

 

[Guest]

sp4. looks like these errors are logged every minute.