HKEY_CURRENT_USER\Software\Microsoft\Exchange\Exchange Provider
Value name: DS Server
Value type: REG_SZ
Use FQDN for GC server. Example;
exchange.domain.com

Signature
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
Outlook FAQ, HowTo, Downloads, Add-Ins and more
http://www.msoutlook.info/
Real World Questions, Real World Answers
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> Hello, using outlook 2003, exchange 2003 and AD 2003 with 7 domain
> controllers. Is there a way to force the outlook client to authenticate
[quoted text clipped - 6 lines]
> weekend...unrelated issue and the timeframe for NDR's doesn't fit, but I'm
> ready to try anything. thanks in advance,