# Configuring Short UserID for user authentication

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## Steps

1. Select User Authentication.
2. Right-click an existing Active Directory Server or LDAP Server element and select Properties.
3. Click the Attributes tab.
4. Specify the attribute to use as the Short UserID in the Short UserID field. For example, sAMAccountName for Active Directory and cn for LDAP Server.
5. Click the OK button.
6. Refresh the policy.