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Activesync Fails Microsoft Remote Connectivity Analyser - SBS 2011

We have been having problems with ActiveSync connectivity on an SBS 2011 server for the past few days.

We discovered a exchange certificate as expired so we created a new exchange certificate with the server's own CA.  The certificate in question expired 6 months ago.

Get-ExchangeCertificate | Select CertificateDomains,Thumbprint,Status,Services | fl shows all certificates as valid now - ATTACHED

Running Microsoft Remote Connectivity Analyser - Activesync test - ATTACHED

DNS Records are like this

a: domain.com -> website host IP
MX: mailserver antispam
a: remote.domain.com -> SBS Server WAN
SRV: _autodiscover._tcp.remote.domain.com 0 0

We have restarted all Exchange Services & WWW Service a couple times

We have performed Fix My Network - No errors except for one saying there is no primary adapter but we have two adapters bridged so I'm ignoring that one for now.

Looking for a way to get ActiveSync operating again with our remote.domain.com - without opening port 80.

Can confirm port 443 is open and the default website is bound to the remote.domain.com 3rd Party Certificate (Valid for another year)

It is difficult to restart this server until afterhours.
RCATestResult.html
Certs.txt
ASKER CERTIFIED SOLUTION
Avatar of Simon Butler (Sembee)
Simon Butler (Sembee)
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Thanks Simon.  SSL was the issue indeed.