When attempting to import external groups, an error appears
1. Go to Users & Security Management
2. Click Manage Users, Groups, Roles
3. Click the Groups tab and click the "LDAP groups..." button
4. Click the "Import Groups..." button,
5. Click "Update Group List" An popup message 'Failed to retrieve groups, please make sure you correctly configured the Directories Services, check log for details.'
Error captured in management server log.
2017-04-06 08:55:48.962 ERROR [http-exec-8688] script.system:administration_userssecurity_ldap.findExternalGroups - javax.naming.PartialResultException: [LDAP: error code 10 - 0000202B: RefErr: DSID-031007EF, data 0, 1 access points
ref 1: 'example.com'
]; remaining name 'OU=Dynamic Groups,DC=example,DC=com'