I kept searching and searching and found this error in de services log:
Event Type: Error
Event Source: DCOM
Event Category: None
Event ID: 10016
Date: 7-10-2010
Time: 10:15:13
User: NT AUTHORITY\NETWORK SERVICE
Computer: WEBSERVER
Description:
The application-specific permission settings do not grant Local Activation permission for the COM Server application with CLSID
{D6567EF8-0A6C-48E7-9288-A2463123C2F3}
to the user NT AUTHORITY\NETWORK SERVICE SID (S-1-5-20). This security permission can be modified using the Component Services administrative tool.
So I added the user "NETWORK SERVICE" in that DCOMconfig thing and allowed him.
Now it works again.
But can someone ensure me that this is the right and save sollution?
