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Reporting Services :: Report Manager giving 401 after installing Service Pack 1 on Windows 2003

Installing Service Pack 1 on the Windows 2003 box resulted problem in accessing Report Manager web site of SQL Server Reporting Services. We were having “The request failed with HTTP status 401: Unauthorized”

 

I checked logs of IIS, Report Manager and system’s event logs, but no use. Reporting Server web service was accessible just fine; Reporting Service’s scheduled runs were also working. The scheduled reports were also delivering fine.

 

After googling for a while, I found the solution at http://www.sqltalk.org/ftopic17777.html

 

This is what you do to get rid of this error after sp1 is installed:

 

add a DWORD entry called DisableLoopbackCheck to

HKLM\System\CurrentControlSet\Control\Lsa. Setting this key to a value of 1

fixed our issue.

Published Thursday, June 02, 2005 9:38 PM by khurram

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