Reporting Services not working after Windows 2003 Service Pack 1 installed

Help. After we installed Windows 2003 service pack one the SQL reporting is
getting an error:
The request failed with HTTP status 401: Unauthorized.
Can anybody help?Check if the 401 error has the same call stack as discussed in this thread:
http://msdn.microsoft.com/newsgroups/default.aspx?dg=microsoft.public.sqlserver.reportingsvcs&mid=d2f44745-4eb8-420d-b44a-da1b388069d7&sloc=en-us
-- Robert
This posting is provided "AS IS" with no warranties, and confers no rights.
"Ed Willis" <ed_willis@.acsi.orgnospam> wrote in message
news:euKwWDDRFHA.996@.TK2MSFTNGP09.phx.gbl...
> Help. After we installed Windows 2003 service pack one the SQL reporting
> is getting an error:
> The request failed with HTTP status 401: Unauthorized.
> Can anybody help?
>sql