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Maximum Connections from Outlook MAPI and RPC/HTTPS to CAS RRS feed

  • Question

  • Hi All,

    I have around 5000 mailbox users in a Cross Forest Exchange 2010 infrastructure.

    Exchange 2010 servers are on Resource Forest and there are five AD FOrest where the users connect to Exchange (linked maibox) by Outook Anywhere and RPC (MAPI).

    The three CAS/HUB servers are behind a CitrixNetscaler.

    Around 1000 users from differents ADs have the issue of "Promp Credentials".

    We have created a Citrix Request to check the publishing rules. However, Is there a way to check Exchange Server for this issue?

    I didn't see any issue on Eventvwr. I ran outlook.exe /rpcdiag and I didn´t see any problem.


    Regards. José Osorio.

    Tuesday, June 12, 2012 6:52 PM

All replies

  • Hi
       Can you post exact error "Prompt Credentials"?

    Terence Yu

    TechNet Community Support

    Thursday, June 14, 2012 2:46 AM