Wednesday 29 August 2012

Outlook 2007 and Exchange - The Battle

I've recently rolled out Exchange 2010 across our company. All is well until we come to connect Exchange to Outlook 2007 clients. The infamous 'Password Prompt' problem occurs.

Before I explain the solution, I delve into our topology. We are running a Windows Domain; call it business.com and we have a separate Exchange domain; call it company.com. Now we also have a mail.com as our company.com as our internet domain. Our business.com domain server also acts as a dns server. All client have the dns address pointing at this server.

Now the problem lies inside Outlook 2007 and its autodiscovery function. It seems it gets confused and although you can connect to Exchange it constantly nags for the password even thought the tick to save it is checked.

After many hours of browsing and trying different solutions I came up with the idea to use the Exchange Server address and the primary dns on the client and domain servers address as the secondard dns, this of course worked. I no longer have the password prompt problem with Outlook 2007 and Exchange 2010. Yay!

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