Symantec Endpoint Protection Manager (SEPM) console Administrator accounts can be linked to network directory account.  An error occurs when clicking the Test Account button after selecting the proper Directory Server and typing in the Account Name under the Edit Administrator Properties configuration window.

 Unable to authenticate the directory account.  Verify that the directory server and account name entered are correct, and try again.

• Directory server or account name are invalid.
• Entering the domain before the Account Name
• Using the directory account's full name instead of username
• The password for the account specified in the Directory Servers configuration is incorrect (Ex: AuthenticateADUser-0.log: 
  2024-01-22 11:24:39.300 THREAD 24 WARNING: javax.naming.AuthenticationException: [LDAP: error code 49 - 80090308: LdapErr: DSID-0C090450, comment: AcceptSecurityContext error, data 52e, v2580 ]...)

• Check that the Directory Servers configured in the SEPM console is correct and able to be connected to.
• Select the correct Directory Server that contains the Account Name the administrator account will be authenticated through.
• Enter the directory account's username only (Not the domain\username, domain\full name, or full name)
• Update the password for the domain admin specified. See KB155924 for configuration information.