Anybody come accross this error before in the system event log.
EventID = 2510
Source = Server
Category = none
User = N/A
Description = The server service was unable to map error code 1722.
Server is Compaq proliant quad processor 1Gb RAM and 250Gb of attached storage.
Disk space has lots available.
Server is NT4 SP6a running Exchange5.5 SP4 and MSCS although it is the only node in the cluster.
As a result of the error, the server is pingable but does not respond to either exchange request or requests for file services.
http://www.sunbelt-software.com/ntsysadmin_list_charter.htm