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RPC/HTTP Outlook 2007 issue

David C
David C asked
Last Modified: 2012-08-24
I am getting the error "The action cannot be completed. The connection to Microsoft Exchange is unavailable. Outlook must be online or connect to complete this action" OWA works fine without any certificate errors. I tried the website www.testexchangeconnectivity.com all all the tasks pass except for the last one with the following error.

ExRCA is attempting to build certificate chains for certificate
OU="Member, VeriSign Trust Network", OU=Authenticated by VeriSign, OU=Terms of use at www.verisign.co.uk/cps/testca (c)05,

A certificate chain couldn't be constructed for the certificate.
Additional Details
The certificate chain couldn't be built. You may be missing required intermediate certificates.

I am using SBS 2003 as a single server.
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