An error occurs when you add a vCenter Server while configuring the vRealize Application Remote Collector.


Configuration of vRealize Application Remote Collector fails with the following error:
Unable to establish a valid connection to the target system. 
Wait for response of Task ‘Test connection’ is timed out for collector 
‘vRealize Operations Manager Collector-Master’. 


  • Enable the relevant ports.
  • Ensure that vRealize Operations Manager and vRealize Application Remote Collector have the NTP synced.