I am getting error # 2147023173 when ans user tryes to change the password in
OWA.  Running Exchange 2000.  The only thing I can find out is that it may
have something to do with RPC server being too busy.

Copy Microsoft Outlook Calendar folder
Limiting the number of recipients of a message
SMTPDIAG results
RUS service created for domain without any Exchange servers
HELP: write-protected contacts