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OWA 2003 / 2010 co-exist problem - E2k3 users need to enter password twice

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OWA 2003 / 2010 co-exist problem - E2k3 users need to e... - 29.Sep.2010 3:57:29 PM   
andyhwc

 

Posts: 13
Joined: 23.May2006
Status: offline
Our Exchange 2010/2003 has the following configuration.

ISA2006 (FBA)
  |
  |
CAS/HT (Array)
  |
  |-------------------- E2k10 Mailstores
  |
E2k3 Front End
  |
  |
E2k3 Back End


ISA 2006:
Listener uses FBA, LDAP as authentication validation method.
OWA 2003/2010 rule authentication:  Basic authentication, same listener

CAS:
Authentication on OWA and ECP: Basic, Integrated

2003 FE
Authentication on Exchange: Basic, Integrated



Exchange 2010 users can logon to their mailbox fine.

When Exchange 2003 users to logon, they will first need to enter the correct credential once to redirect to legacy.e2k3-front-end.org first, then have to enter the logon credential again to logon to OWA 2003.  Is this normal?  Is there any way to setup ISA/CAS so Exchange 2003 users only need to enter logon credential once?  

Thanks
Andy
Post #: 1
RE: OWA 2003 / 2010 co-exist problem - E2k3 users need ... - 29.Sep.2010 6:21:53 PM   
Jason Jones

 

Posts: 4663
Joined: 30.Jul.2002
From: United Kingdom
Status: offline
Use a single listener for both public names and then configure SSO...I have used this approach to solve the same problem and it worked well.

Cheers

JJ

_____________________________

Jason Jones | Forefront MVP | Silversands Ltd
My Blogs: http://blog.msedge.org.uk/ and http://blog.msfirewall.org.uk/

(in reply to andyhwc)
Post #: 2
RE: OWA 2003 / 2010 co-exist problem - E2k3 users need ... - 29.Sep.2010 6:45:38 PM   
a10e

 

Posts: 7
Joined: 23.Sep.2010
Status: offline
Works great! Thanks

On a related note, do you know a way to have different URL for the Legacy OWA redirection.

Above will solve the problem of Internet OWA for both E2k3 and E2k10 but I am looking for a solution for intranet OWA as well. With above solution, any E2k3 users hit the CAS will get redirected to Internet OWA.

< Message edited by a10e -- 29.Sep.2010 7:07:39 PM >

(in reply to Jason Jones)
Post #: 3

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