Is it possible to use Active Directory User email address as login credentials in ITCM Explorer ?

Document ID : KB000109323
Last Modified Date : 22/08/2018
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Question:
When we try  login to DSM Explorer using the email address as the login name. It throws an error message as
          Error "Login credentials supplied were incorrect".
The user is valid, and is a member of the AD group that has permissions to login to DSM Explorer. 
User name format : Username@domain.com
Is it possible to use Active Directory User email address as login credentials in ITCM Explorer ?
Environment:
ITCM :14.01 
OS :Windows 2012
DB :SQL

 
Answer:
ITCM doesn't support an email login... only username/password.  You can use only AD credentials or local user account. 
@” is a restricted symbol and cannot be used as part of a username (Microsoft restriction) as it denotes the start of the domain name. If you try and login to Windows with a user name that contains “@” it will fail.Same applies to ITCM explorer.