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Article ID: 305833
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Updated On:
Environment
VMware vCenter Server 5.1.x
Cause
This issue occurs if the Active Directory Domain is configured with a Group Policy that requires all LDAP connections to be secured with SSL (ldaps required) and the Domain controller: LDAP server signing requirements policy is set to Require signing
.
A certificate that establishes trust for the LDAPS endpoint of the Active Directory server is required when you use ldaps://
in the primary or secondary LDAP URL.