OWA 2007, 3 AD Sites, OWA doesn't work
Hello all, I have a weird one. I have deployed Exchange 2007 successfully in my domain. I havetwo sites connected via frame relay, all on different subnets to a primary subnet. My main Internet line comes into my primary subnet, which is where my Front End Exchange server is located as well as my ISA server. There is also a Ex 2007 mailbox server housed in this subnet. In AD Sites and Services, I have defined the different subnets and each server is properly located under its associated subnet. Each of the two remote subnet's have an Ex2007 mailbox server. Exchange 2007 in general work well amongst all sites. However, when I published Exchange 2007 OWAin ISA 2006 (followed the TechNet ISA 2006 article "Publishing Exchange Server 2007 with ISA Server 2006") I receive the following message when attempting to login to a mailbox located on a server in a site that is on a different subnet other than the main subnet. "Outlook Web Access is not available. If the problem continues, contact technical support for your organization and tell them the following: There is no Microsoft Exchange Client Access server that has the necessary configuration in the Active Directory site where the mailbox is stored". If I login to a mailbox located in the primary subnet (same as ISA and FE) it works fine.Everything used to work fine with Exchange 2003 and backbone confiruations haven't changed. I have tried everything under the sun I can think of. Anyone have any pointers? Thanks, Rick
May 4th, 2007 1:34am

does ISA have routes internally defined to the remote subnets?
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May 4th, 2007 6:32pm

Yes it does.
May 4th, 2007 7:07pm

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