Exchnge 2010 ActiveSync Authentication issue after changing external DNS.

We are running Exchange 2010. We have changed our external DNS from x.com to y.com

How do I change the iPhone Activesync authentication to recoginize name@y.com as new credentials? Only recoginizes original DNS x.com

We own both external DNS's. I have set y.com as the default sending domain. I think this is DNS autodiscover issue? Do i create a new zone for y.com? Any ideas what i need to do?

February 3rd, 2015 5:44pm

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