After failover attempting to reprotect the VM you receive the following error:
VMNAME replication error: A replication error occurred at the vSphere Replication Server for replication 'VMNAME'. Details: 'No connection to VR Server for virtual machine VMNAME on host HOSTNAME in cluster CLUSTERNAME in DATACENTERNAME: Not responding'.
VMware Live Site Recovery - All Versions
Port 31031 to the destination VMware Live Site Recovery appliance is closed or blocked below error. This can be found in /var/run/log/vmkernel.log
YYYY-MM-DDT06:23:37.479Z Wa(180) vmkwarning: cpu31:22158964) WARNING: Hbr: 571: Connection failed to ######### (groupID=GID-e33fa3eb-d5f0-4d9f-9108-870eb2a4blf3) : Connection refusedYYYY-MM-DDT06:23:37.479Z Wa(180) vmkwarning: cpu31:22158964) WARNING: Hbr: 5362: Failed to establish connection to [##########] :31031 (groupID=GID-e33fa3eb-d5f0-4d9f-9108-870eb2a4blf3) : Connection refusedYYY-MM-DDT06:23:43.540Z Wa(180) vmkwarning: cpul:22157639) WARNING: Hbr: 571: Connection failed to ########## (groupID=GID-el4b5210-7087-4836-b0ff-ladcc11469c0) : Connection refusedYYYY-MM-DDT06:23:43.540Z Wa(180) vmkwarning: cpul:22157639) WARNING: Hbr: 5362: Failed to establish connection to [##########] :31031 (groupID=GID-e14b5210-7087-4836-b0ff-ladcc11469c0) : Connection refused
Make sure the traffic is allowed from the source host to the destination VMware Live Site Recovery appliance specifically on port 31031.