Creating an Alias for ECC location is not accessible from Internet Explorer

Document ID : KB000084491
Last Modified Date : 14/04/2018
Show Technical Document Details
Error Message :

When creating an ECC Alias, the Alias is not accessible.  However, the ECC is up and active via its IP address (ex.
Cause type:
Root Cause: The alias contains an underscore (ex.
Redefine the Alias and omit the underscore (_) character. 

This is a known issue with IE (

Technically, an underscore (like this _ ) is not a DNS character.  While Windows will allow the use of an underscore when naming a machine, it warns that doing so may cause problems. One such problem is that WinINET blocks attempts to set cookies on such domains. See

Fix Status: No Fix

Additional Information:
Workaround :