Symptoms
When you use Internet Explorer 11 to access the Exchange Control Panel (ECP) in a Microsoft Exchange Server 2013 environment, you can't successfully perform the following operations:
-
Create a new send connector or change the existing send connector
-
Add secondary SMTP address to a user mailbox
Cause
This issue occurs because the ECP pop-up window request isn't handled reliably by Internet Explorer.
Resolution
To fix this issue, install Cumulative Update 13 for Exchange Server 2013 or a later cumulative update for Exchange Server 2013.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology that Microsoft uses to describe software updates.
