NSX-T alarm triggers ( "Manager FQDN Reverse Lookup Failed".) after upgrade to 3.1.0

Products

• VMware NSX

Issue/Introduction

Symptoms:

• DNS forward and reverse lookup from each manager works as normal
• The Manager FQDN specified in /etc/vmware/nsx/appliance-info.xml is in lowercase (test.domain.local)
• DNS reverse lookup returns the hostname in upper case (TEST.domain.local)

Environment

VMware NSX-T Data Center
VMware NSX-T Data Center 3.x

Cause

The alarm is triggered due to a case mismatch between DNS query and the FQDN specified in appliance-info.xml

Resolution

This issue is resolved in 3.1.2