QUESTION POSED ON: 20 February 2006
We have Exchange 5.5 SP4 on a Windows 2000 SP4 server. The clients used Office 2000 SP3 (Outlook) on Windows XP Professional for workstations. We have two offices under the same domain connected via a VPN with the same ISP and multiple smaller sites set up as groups; these are connected via VPNs, but with other ISPs.
After changing our DNS configuration, which is external via our ISP, the users in our offices can use Outlook with no problem. But the users in the smaller sites can no longer connect to the Exchange server. Presently, they use an internal Outlook Web Access 5.5, but this is far from ideal. Do you have any ideas?
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