IMAP4 and POP3 virtual server services are not able to be started. The following error occurs: "The service did not respond to the start or control request in a timely fashion"
I'm not sure if relevant, but every 5 minutes, an application error (in the event viewer) of "Windows cannot obtain the domain controller name for your computer network. (An unexpected network error occurred. ). Group Policy processing aborted. " occurs.
Windows Server 2003 with Exchange 2003. The exchange server works well, and is currently active.