Outlook Anywhere stopped after Cisco ASA ip change

Posted on 2011-10-31
Medium Priority
Last Modified: 2012-05-12
We recently changed data providers. We received new ip addresses. The changes were good on the dns side - mail coming in and out to Exchange.  Outlook Web Access appears to be fine.  I have 1 user that is configured with Outlook Anywhere.  He said after we made the changes he could no longer access his Outlook Anywhere mail from my Exchange server.  I was able to recreate from an outside PC that it doesnt work.  It prompts for credentials but just says server not available.  We didnt make any other changes on the ASA other than the interface ip changes.  Any ideas as to what could have caused the failure?  Is it a setting within Exchange that needs to be corrected?
Question by:cobmo
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Expert Comment

by:Kamalasekar Parthasarathy
ID: 37060747
Please check is there any changes happened in the authenication tab for Outlook anywhere.


Author Comment

ID: 37063332
Yes it is the same as it was prior to ip changes.  I spoke with techsupport of our digital certificate and worked with them.  The certificate appears to be working fine.  Nothing on the ASA firewall changed except the ip address of the outside, mail, and vpn.

When testing on outside PC, we get server unavailable and retry.  Hit retry a few times and then eventually the interface mail account pops up.  To me, if it were firewall related it wouldnt work at all.  I have no idea why it is sporadic.  Again OWA is fine.  Communication to mobile phones passing on the owa connection are fine as well.

Expert Comment

by:Kamalasekar Parthasarathy
ID: 37074488
Please run the below and verify the mail flow from outside testexchangeconnectivity.com

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Accepted Solution

cobmo earned 0 total points
ID: 37076016
I rebooted the mail server.  I verified the settings for the certificate with the certificate provider.  I changed the security from Basic to NTLM.  I came back to life.  It is working.  I have no explanation as to why it was the way it was.

Expert Comment

by:Feroz Ahmed
ID: 37076027

It is due to exchange server settings which has to be checked ,check whether pop3 and SMTP service is running or not and whether you have configured outlook properly .

Author Closing Comment

ID: 37194293
Reboot corrected the issue.

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