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Question: How can I use Active Directory to set the default e-mail account? I am running Windows SBS 2003. Each of the 15 clients in the office has two mail accounts (one for the server and one for POP/SMTP). I want their default account to be the POP/SMTP. But on some of the machines, when they reboot, they default to the Exchange server as their default account. How can I make the POP/SMTP account stick as the default?
Answer: The exact fix is documented here.
The excerpt below from Microsoft expert Sean Daniel's blog might also prove useful.
Q: It doesn't work, when I do another account POP3 in MS Outlook in Mary's or Tom's computers, and there make address for response, it work until restart computer. After restarting, the primary account is Exchange and the resp. address is firstname.lastname@example.org again.
A: This solution wasn't meant for using POP3. I was intending that another Exchange mailbox be created, and provide permissions this way. Using POP3 will have the same issues around if you've replied to it or not. However, having said that, you can set a DWORD registry key on the client in HKLMSoftwareMicrosoftSmallBusinessServerClientSetup called "NoTransportOrder" and set the value to 1. This will prevent Exchange from being set as the default provider. I still suggest using Exchange though; it's much easier and will help in preventing duplicate responses from separate users.
Dig deeper on Microsoft Active Directory Design and Administration
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