In vCenter Server Appliance, this log is located at /var/log/vmware/vpxd/vpxd.log file.
2020-04-14T06:30:11.512Z info vpxd[05536] [Originator@6876 sub=vpxLro opID=14f60db1] [VpxLRO] -- BEGIN lro-759906 -- ViewManager -- vim.view.ViewManager.createContainerView -- 52cb4f80-4711-5987-a3d0-97a1f013646f(52e3a95f-a63b-ff63-83ab-b9be1acc4c47)
2020-04-14T06:30:11.514Z info vpxd[05536] [Originator@6876 sub=vpxLro opID=14f60db1] [VpxLRO] -- FINISH lro-759906
2020-04-14T06:30:11.596Z info vpxd[04105] [Originator@6876 sub=vpxLro opID=4f222563] [VpxLRO] -- BEGIN lro-759909 -- session[52cb4f80-4711-5987-a3d0-97a1f013646f]52d67378-a565-c423-9b32-18015aaf94a3 -- vim.view.View.destroy -- 52cb4f80-4711-5987-a3d0-97a1f013646f(52e3a95f-a63b-ff63-83ab-b9be1acc4c47)
2020-04-14T06:30:11.596Z info vpxd[04105] [Originator@6876 sub=vpxLro opID=4f222563] [VpxLRO] -- FINISH lro-759909
2020-04-14T06:30:19.527Z info vpxd[04008] [Originator@6876 sub=HostGateway] CmConnectionFSM::RunFSM(ST_CM_CALL_FAILED)
2020-04-14T06:30:19.535Z warning vpxd[05484] [Originator@6876 sub=Default] Failed to connect socket; <io_obj p:0x00007f032c063790, h:30, <TCP '127.0.0.1 : 45094'>, <TCP '127.0.0.1 : 18090'>>, e: 111(Connection refused)
2020-04-14T06:30:19.535Z error vpxd[04008] [Originator@6876 sub=HostGateway] [CisConnection]: ComponentManager->LoginByToken failed: Connection refused: The remote service is not running, OR is overloaded, OR a firewall is rejecting connections.
2020-04-14T06:30:19.536Z warning vpxd[04008] [Originator@6876 sub=HostGateway] State(ST_CM_LOGIN) failed with: Connection refused: The remote service is not running, OR is overloaded, OR a firewall is rejecting connections.
2020-04-14T06:30:19.609Z warning vpxd[03983] [Originator@6876 sub=Default] Failed to connect socket; <io_obj p:0x00007f034039caf0, h:36, <TCP '127.0.0.1 : 45100'>, <TCP '127.0.0.1 : 18090'>>, e: 111(Connection refused)
2020-04-14T06:30:19.609Z error vpxd[04008] [Originator@6876 sub=HostGateway] [CisConnection]: ComponentManager->LoginByToken failed: Connection refused: The remote service is not running, OR is overloaded, OR a firewall is rejecting connections.
2020-04-14T06:30:19.609Z warning vpxd[04008] [Originator@6876 sub=HostGateway] State(ST_CM_LOGIN) failed with: Connection refused: The remote service is not running, OR is overloaded, OR a firewall is rejecting connections.
2020-04-14T06:30:19.668Z warning vpxd[03998] [Originator@6876 sub=Default] Failed to connect socket; <io_obj p:0x00007f031c2adb50, h:36, <TCP '127.0.0.1 : 45102'>, <TCP '127.0.0.1 : 18090'>>, e: 111(Connection refused)
2020-04-14T06:30:19.669Z error vpxd[04008] [Originator@6876 sub=HostGateway] [CisConnection]: ComponentManager->LoginByToken failed: Connection refused: The remote service is not running, OR is overloaded, OR a firewall is rejecting connections.
2020-04-14T06:30:19.669Z warning vpxd[04008] [Originator@6876 sub=HostGateway] State(ST_CM_LOGIN) failed with: Connection refused: The remote service is not running, OR is overloaded, OR a firewall is rejecting connections.
2020-04-14T06:30:19.720Z info vpxd[05357] [Originator@6876 sub=Vsan opID=HB-host-66@5762-362ca1a8] [CheckDatastoreCapacity] Clearing DatastoreNoCapacity configIssue
2020-04-14T06:30:19.720Z info vpxd[04055] [Originator@6876 sub=vpxLro opID=HB-host-66@5762-362ca1a8-01] [VpxLRO] -- BEGIN lro-759914 -- -- VsanClusterConfigIssuesLRO --
2020-04-14T06:30:19.720Z info vpxd[04055] [Originator@6876 sub=Vsan opID=HB-host-66@5762-362ca1a8-01] [VsanClusterConfigIssueLRO] Clear CFG_ISS_VSAN_CLUSTER_NOSTORAGE configIssue for cluster vim.ClusterComputeResource:domain-c58
2020-04-14T06:30:19.720Z info vpxd[04055] [Originator@6876 sub=vpxLro opID=HB-host-66@5762-362ca1a8-01] [VpxLRO] -- FINISH lro-759914
2020-04-14T06:30:19.729Z warning vpxd[04872] [Originator@6876 sub=Default] Failed to connect socket; <io_obj p:0x00007f02dc2c2fc0, h:36, <TCP '127.0.0.1 : 45104'>, <TCP '127.0.0.1 : 18090'>>, e: 111(Connection refused)
2020-04-14T06:30:19.730Z error vpxd[04008] [Originator@6876 sub=HostGateway] [CisConnection]: ComponentManager->LoginByToken failed: Connection refused: The remote service is not running, OR is overloaded, OR a firewall is rejecting connections.
2020-04-14T06:30:19.730Z warning vpxd[04008] [Originator@6876 sub=HostGateway] State(ST_CM_LOGIN) failed with: Connection refused: The remote service is not running, OR is overloaded, OR a firewall is rejecting connections.
2020-04-14T06:30:19.730Z warning vpxd[04008] [Originator@6876 sub=HostGateway] Ignoring exception during refresh of HostGateway cache: N7Vmacore15SystemExceptionE(Connection refused: The remote service is not running, OR is overloaded, OR a firewall is rejecting connections.)
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2020-04-14T06:30:20.208Z info vpxd[03989] [Originator@6876 sub=vpxLro opID=vsan-PC-5a2bfbe73e7d7-W16-d3] [VpxLRO] -- BEGIN lro-759915 -- VpxSettings -- vim.option.OptionManager.queryView -- 52cb4f80-4711-5987-a3d0-97a1f013646f(52e3a95f-a63b-ff63-83ab-b9be1acc4c47)
2020-04-14T06:30:20.208Z info vpxd[03989] [Originator@6876 sub=vpxLro opID=vsan-PC-5a2bfbe73e7d7-W16-d3] [VpxLRO] -- FINISH lro-759915