Users take long time to login when Primary LDAP or Authentication Server is down

Products

• VMware vCenter Server

Issue/Introduction

Users take long time to login when Primary LDAP or Authentication Server is Down.

Environment

• VMware vCenter Server Appliance 6.7.x
• VMware vCenter Server 5.5.x
• VMware vCenter Server 6.0.x
• VMware vCenter Server 6.5.x
• VMware vCenter Server Appliance 6.0.x
• VMware vCenter Server 6.7.x
• VMware vCenter Server Appliance 6.5.x
• VMware vCenter Server Appliance 5.5.x

Resolution

This is an expected behavior.

 

To workaround this issue, promote secondary LDAP as primary when there is a planned downtime for primary LDAP server.