The request failed with HTTP status 401: Unauthorized.
This issue occurs if you install Microsoft Windows XP Service Pack 2 (SP2) or Microsoft Windows Server 2003 Service Pack 1 (SP1). Windows XP SP2 and Windows Server 2003 SP1 include a loopback check security feature that is designed to help prevent reflection attacks on your computer.
Below 2 methods are useful to solve above issue.
Run: REGEDIT
1. HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > Control > Lsa
Right click and New > DWORD Value
“DisableLoopbackCheck” then right click on this and modify value data to “1”
2. HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > Control > Lsa > MSV1_0
Right click and New > Multi String Value
“BackConnectionHostNames” and add multiple host name value.
For more details see http://support.microsoft.com/kb/896861
Hey Manoj,
ReplyDeleteI am very much thankful to This your article help me to resolve high severity issue in my project.