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Home > Success Center > Log & Event Manager (LEM) > LEM - Knowledgebase Articles > Unable to log in to the LEM Console with Active Directory after configuring LDAP

Unable to log in to the LEM Console with Active Directory after configuring LDAP

Updated February 8, 2018


After you configure LDAP through https://lem/mvc/configuration, you cannot log in to the LEM Console with Microsoft® Active Directory®.

The manager.log file (shown below) displays an error. There is only one primary domain controller and no domain controller load balancing in the environment. The certificate for LDAP over SSL (LDAPS) is an enterprise-signed certificate.

[] Failed to initialize!
com.solarwinds.lem.core.users.ldap.exception.LdapConnectionException: Listing groups failed!
Caused by: org.springframework.ldap.CommunicationException: simple bind failed:; nested exception is javax.naming.CommunicationException: simple bind failed: [Root exception is Certificate not trusted!]

Caused by: javax.naming.CommunicationException: simple bind failed:
at com.sun.jndi.ldap.LdapClient.authenticate(

Caused by: Certificate not trusted!

Caused by: Certificate not trusted!
at com.solarwinds.lem.core.users.ldap.model.SSLTrustManager.checkServerTrusted(


  • LEM 6.3.1
  • Primary domain controller 


Unknown. The certificate and CN details may have caused this issue when generating the certificate.


Remove and re-add the LDAP configuration details through https://LEM/mvc/configuration.



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