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Unable to authenticate with the LDAP server. Verify that the user name and password are correct (when registering an LDAP server)
Technical Articles ID:   KB89298
Last Modified:  7/10/2018

Environment

McAfee ePolicy Orchestrator (ePO) 5.x

Problem

The following error displays while attempting to register an LDAP server:
 
Unable to authenticate with the LDAP server. Verify that the user name and password are correct.

The following is recorded in the orion.log:
 
com.mcafee.orion.ldap.LdapAuthenticationException: Unable to authenticate with the LDAP server. Verify that the user name and password are correct.

Despite these errors, the credentials used are correct, and you can telnet from the ePO server to the LDAP server on port 389 (port 636, if using SSL).

Cause

The format defined by the LDAP administrator typically uses the format DOMAIN\USERNAME, but in some environments the preferred format method is USER@DOMAIN.

Solution

Use the format USER@DOMAIN and test the connection; it should succeed. If it does not, you are having an unrelated issue.

For more information on LDAP format, see the Microsoft article:
 

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