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Active Sync Connectivity Failure Issue

Posted on 2014-02-21
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Last Modified: 2014-02-21
Hi All.

I am trying to configure my exchange 2010 active sync in preparation for a new MDM solution. I have run Test-OutlookWebServices -ClientAccessServer "myexchangeserver" and everything comes back as passed and looks right. However, when I try to do the MS Remote Connectivity Analyzer is keep failing stating that it can't find https://mydomain.com/AutoDiscover/AutoDiscover.xml but it is clearly there and working. I am confused. Any suggestions? Thank you
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Question by:BrianVan
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Jamie McKillop earned 500 total points
ID: 39877073
Hello,

What names are on the SSL certificate that is installed on your Exchange server? You should have two names: something like mail.domain.com and autodiscover.domain.com. You should also have A records created in DNS for each of these that point to your Exchange server. If you have a single name cert, you need to create an SRV record in DNS that points to your autodiscover service like this:

Service: _autodiscover
Protocol: _tcp
Port Number: 443
Host: mail.domain.com

-JJ
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by:BrianVan
ID: 39877088
Ahhh so you actually need a DNS entry for autodiscover?  I did not know that.  The SSL cert is for mail.mydomain.com  I will add the needed DNS entries and report back.  Thank you
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by:Jamie McKillop
ID: 39877119
If you only have mail.mydomain.com on your SSL cert, you need the SRV record. Don't create an A record if you don't have autodiscover on your cert.

-JJ
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Author Comment

by:BrianVan
ID: 39877128
Ok.  I am creating the SRV but the fields are a little different.  It has Hostname: and Targetname:  Which is which?  I'm looking through the help section but it's not much help.    This is AT&T's explaination:
 Host name— The hostname of the machine providing the service.
*Target Name— The domain name of the host on which
the service is running
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by:Jamie McKillop
ID: 39877157
My guess would be host name should be "mail" and target name would be "domain.com"

-JJ
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by:BrianVan
ID: 39877172
Not 'autodiscover'?
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by:Jamie McKillop
ID: 39877179
"autodiscover" is the service name. You may need to contact AT&T support to get their assistance.

-JJ
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Author Comment

by:BrianVan
ID: 39877191
Ok I will give them a call.  Thank you for the help.
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Author Comment

by:BrianVan
ID: 39877284
Just an FYI, the AT&T tech states that hostname=service and target=host.  Seems logical right?  LOL  Well I set up the SRV and I will have to wait for it to replicate before I can test.  Thank you again.
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