Having spent two weeks migrating our 3 offices in Hong Kong , Shanghai and Singapore to a Windows 2003 AD with Exchange 2003 and ISA2004, I left the easy job of publishing the OWA rule to the end as I've never had problems with it it the past (works in Europe and the US).
Everything is working exactly as I would like it. The domain is replicating nicely (all dcdiags are 100% clean), ISA is doing a great job as a firewall and is caching nicely. And the two exchange servers (one in HK and one in Singapore) are sending/receiving mail for their own regional e-mail domains.
But - (and this is driving me mad) - when I try to use OWA either from the local network (eg. http://10.236.6.7/exchange
, or from outside http://mail.hk.mycorp.com/exchange
) the authentication fails.
The single forest/domain is still running in mixed mode (as is the exchange organisation).
I've compared all of the IIS settings with thos of a working OWA box in London and they are identical (even the Exchange virtual sites and apps).
We have absolutely no problem in accessing the inbox from an Outlook 2003 client. And are using the exact same user/password.
eg. The fqdn of the domain is ASIA.MYCORP.COM, it has a netbios name of AITC. The ACCOUNT user logon name and pre-2000 logon name is M098811
So when using OWA, the username box can be completed as ;
M098811@ASIA.MYCORP.COM or in theory just
M098811 since the default domain for Basic authentication IS AITC
Can anyone think of a reason for these authentication failures - or suggest the correct settings for IIS. I'm not running any other websites than IIS on this machine.
Once it's working on the LAN I should be ok with the ISA publishing part.
Thanks for any help you can offer.