This morning I wasn't greeted with happy faces at work. Some users could not log in, some got connection errors from Outlook and often some or all of their mapped drives were missing.
All this was happening on one of our (Citrix) terminal servers. Searching through the event logs I found warnings such as "The user 'X:' preference item in the 'Drive Mappings {F86B7E1E-0434-408F-AA1A-B616952AF5C2}' Group Policy object did not apply because it failed with error code '0x80070044 The name limit for the local computer network adapter card was exceeded.' This error was suppressed.".
Searching Google for the error code led me to Microsoft Article http://support.microsoft.com/kb/319504. Essentially the server was regularly failing to create network connections.
Running
