Forum Discussion

mikem_62860's avatar
mikem_62860
Icon for Nimbostratus rankNimbostratus
May 09, 2012

f5 and Exchange 2010 Outlook 2010 password prompt

I am experiencing a password prompt on Outlook 2010 on a initial load. For example, I reboot my machine, log into Windows, then load up Outlook 2010. I get a password prompt.     What I am notic...
microsoft
partner
Michael_Koyfma1's avatar
Michael_Koyfma1
Icon for Cirrus rankCirrus
May 17, 2012
Outlook Client settings don't matter in this case - the issue is caused by the CAS trying to use Negotiate header for Kerberos and NTLM when it does 401 challenge to the client.