autodiscover certificate issue

We have a Exchange server setup on,  and autodiscover is working fine with a SRV record in the DNS, but since iphone does not support autodiscover via SRV Record, we had to setup a CNAME ""and point that to "" , iPhone autodiscover works fine after that. But since then outlook desktop client keeps prompting certificate name mismatch warnings ( as it now wants a Certificate for  is it possible to fix this without buying a new SAN certificate?

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BusbarSolutions ArchitectCommented:
Mahesh SharmaCommented:
You can not use A or Cname record when using SRV record for Autodiscover
You would need a UCC cert that include
EvanHungAuthor Commented:
I resolved this by adding a https url forward to the host, case closed, thanks.

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