Alternative UPN suffixes allow users to authenticate with their user principal name (UPN), even if it contains an alternative domain suffix. In addition, you can provide an NT4-style domain as an alternative suffix, which is required for the name resolution of NT4-style user names with Active Directory user name resolution or simple user name resolution.
UPN suffixes field:
- Alternative UPN Suffixes. Contains the list of already defined alternative UPN suffixes.
Available actions
- EDIT
To define alternative suffixes, in Administration Web Interface navigate to ORGANIZATION > List and select the relevant domain. In the domain properties page, open the UPN Suffixes tab and click Edit.