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helenio's avatar
helenio
Icon for Nimbostratus rankNimbostratus
May 21, 2013

NTLM SSO problem using IE 9

Hello,     we have sharepoint behind LTM F5 and sometimes SSO NTLM doesn't work on IE 9. Client pop-up to manual insert user/password.   Looking with wireshark client receive 401 Unauthori...
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chris_horsted_1's avatar
chris_horsted_1
Icon for Nimbostratus rankNimbostratus
Feb 03, 2014
We are experiencing exactly the same problem on our production SharePoint 2010 environment. Any other browser, Firefox, Chrome etc. works without any issue. If you put IE9 into Compatability mode with browser mode as IE9 and Document Mode as IE7 this works fine. I am really struggling with this and could really do an answer if possible.