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This is a product limitation.

LDAP SSL uses ports 3269 and 636 but IMSS Windows does not support LDAP SSL. The table shows the ports used by LDAP and LDAP SSL services/protocols:

For more information about Active Directory and how it works, refer to the Microsoft article How Active Directory Searches Work.

Keywords: cannot connect to ldap server,ports 3269 and 636 failure,troubleshoot server connection problem

Cannot connect to the LDAP server via ports 3269 and 636 of InterScan Messaging Security

Last updated: 2021/08/28

Solution ID: KA-0004697

Category: Configure , Troubleshoot

InterScan Messaging Security Suite (IMSS) Windows is unable to connect to the LDAP server via ports 3269 and 636.

This is a product limitation.

LDAP SSL uses ports 3269 and 636 but IMSS Windows does not support LDAP SSL. The table shows the ports used by LDAP and LDAP SSL services/protocols:

For more information about Active Directory and how it works, refer to the Microsoft article How Active Directory Searches Work.

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