vCenter Server opID message appears repeatedly in ESXi 5.5 logs

Products

• VMware vCenter Server
• VMware vSphere ESXi

Issue/Introduction

• In ESXi 5.5 vmkernel.log, this message may appear repeatedly:
  
  cpu6:33963)World: 14296: VC opID hostd-fc38 maps to vmkernel opID b608acdc

Resolution

This message is used for debugging and tracing operations from vCenter Server. It is harmless and can be safely ignored.

This issue is resolved in ESXi 5.5 Update 3.