Certificate Error : “The name on the security certificate is invalid or does not match the name of the site “

Certificate Error :

When you open Outlook you get the following certificate error :

“The name on the security certificate is invalid or does not match the name of the site ”

 

This problem happans when the AutodiscoverServiceInternal is set with the internal name such as domain.local

Solution

Set the SCP with the internal URL:

1. open exchnge powershell

2.  Set-ClientAccessServer CASServerName -AutoDiscoverServiceInternalUri https://mail.domain.com/Autodiscover/Autodiscover.xml

 

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