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401 error when logging into OWA externally.

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401 error when logging into OWA externally. - 12.Jan.2006 11:56:24 PM   
ringonz

 

Posts: 11
Joined: 19.Jul.2005
Status: offline 		We have upgraded from Exchange 2000 to 2003 and are using ISA 2004. OWA was working fine on 2000 and is working fine internally, but using 2003 I cannot access it externally.


I can get to the ISA server OWA logon page and it authenticates fine and then I get asked for a username and password by the Exchange server three times then get a 401 Unauthorized error page.

I have tried playing with the authentication on the exchange IIS server and this does not help either. I currently have OWA being accessed via port 81 externally and mapped (bridged) to port 80 by ISA.
Post #: 1
RE: 401 error when logging into OWA externally. - 13.Jan.2006 3:47:15 PM   
steavg

 

Posts: 174
Joined: 29.Jan.2004
From: Belgium
Status: offline 		Hi,

Check out this article: http://www.isaserver.org/tutorials/Enabling-ISA-Firewall-Forms-based-Authentication-OWA-Connections-Internal-External-Clients-Part1.html

Greetings,

Stefan

(in reply to ringonz)
Post #: 2
RE: 401 error when logging into OWA externally. - 16.Jan.2006 1:01:11 AM   
ringonz

 

Posts: 11
Joined: 19.Jul.2005
Status: offline 		I can only renew or remove the certificate on our Exchange server. It is running Windows 2000 if that makes a difference.

(in reply to steavg)
Post #: 3

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