Exchange 2013 Autodiscover Shared Enviroment

Hi All we host about 5 companies email, and have an issue that's needs addressing.

Each company we host for has an SRV record in place for Auto discover settings, out of the 5 Companies only one of them can configure there mail using Auto discover, as far as I can see there is nothing different.

I vaguely remember having to do something in IIS for one of the domains (the one that works) for auto discover but cannot remember what.

have I missed anything in regards to Records on the others?
pepps11976Asked:
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AmitIT ArchitectCommented:
I assume you are talking about multi tenant environment. If yes, the need to create new site in iis. Check this article:
http://www.careexchange.in/how-to-create-autodiscoverredirect-record-for-multi-tenant-scenario-in-exchange-2013/

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pepps11976Author Commented:
Ok I have done this I however I am still getting the cert error?

but only for 1 client

the others are ok
AmitIT ArchitectCommented:
Post the error.
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pepps11976Author Commented:
it is saying the the name

autodiscover.domain.com is not on the certificate,

I have created an SRV Record pointing to the correct autodiscover

and have also created the correct URL Rewrite in the article that you posted
AmitIT ArchitectCommented:
Can you test it from this site also
https://testconnectivity.microsoft.com/
pepps11976Author Commented:
it passes the same as a domain that is working
AmitIT ArchitectCommented:
It looks like you have cert issue and this domain is not present in your cert.

Pls review this KB.

https://support.microsoft.com/en-us/kb/2772058
pepps11976Author Commented:
ok here is the update.

in there locale domain, I added an srv Record in DNS pointing to the Hosted server, internally they are able to Autodiscover to the External Hosted environment no problem.

If I try to configure using autodiscover on there IPhone or android phone, I get a Cert Error, when I view the Cert it is the Cert where there Website is hosted (not with us) I am assuming that this is because port 443 is open on their website??
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