Hey,
We've setup Outlook Anywhere for our non-domain joined external users. During the initial Outlook profile creation, Autodiscover works as expected by finding the relevant info.
However, everytime Outlook is closed and re-opened, it prompts for their credentials in a normal 'Windows Security' dialog. I need to prevent this prompt.
Firewall is Windows Server 2008 R2 with TMG 2010 using the Exchange publishing wizard for Outlook Anywhere (using Kerberos delegation - Kerberos is configured internally)
Exchange server is Windows Server 2008 R2 with Exchange 2010 SP3
Remote Outlook clients are a mixture of Windows XP/7/8/10 with Outlook 2007/2010/2013
My personal test machine at home is Windows 10 with Outlook 2013.
Exchange server is setup for NTLM for Outlook Anywhere and the TMG publishing rule comes back as all green ticks when testing the rule.
Both mail.domain.com and autodiscover.domain.com are in the TMG publishing rule.
- Edited by Lanky Doodle Friday, September 04, 2015 11:49 AM