Many errors don't explain the cause or lead you down the wrong path. For example:
if enabled
[image: изображение.jpeg]
vm.migrate
{
"vm": "a6f6d2ec-17fd-338f-16f5-cdbcfa3e23de",
"mapVifsNetworks": {
"c5825de5-4b88-1794-5381-b9ded8fde08b": "12612d2e-9490-185d-5056-d848db1a754f"
},
"migrationNetwork": "d6492be1-f89e-e4fe-f6e0-1cbaad111581",
"sr": "43daf4a2-ff01-e974-0db7-bb68765e5f73",
"targetHost": "2444db2d-8701-475e-9191-c0b0417b3c51"
}
{
"code": "OPERATION_BLOCKED",
"params": [
"OpaqueRef:63424fd1-95b1-8518-9a82-faee73bbd427",
"true"
],
"task": {
"uuid": "9120561b-99a6-6677-6e8a-cd4432410aa1",
"name_label": "Async.VM.migrate_send",
"name_description": "",
"allowed_operations": [],
"current_operations": {},
"created": "20260914T09:52:49Z",
"finished": "20260914T09:52:49Z",
"status": "failure",
"resident_on": "OpaqueRef:e455b3a6-4d05-6d86-2f7a-c4cdba26e120",
"progress": 1,
"type": "<none/>",
"result": "",
"error_info": [
"OPERATION_BLOCKED",
"OpaqueRef:63424fd1-95b1-8518-9a82-faee73bbd427",
"true"
],
"other_config": {},
"subtask_of": "OpaqueRef:NULL",
"subtasks": [],
"backtrace": "(((process xapi)(filename ocaml/xapi/xapi_vm_lifecycle.ml)(line 758))((process xapi)(filename ocaml/xapi/xapi_vm_helpers.ml)(line 1657))((process xapi)(filename fun.ml)(line 33))((process xapi)(filename fun.ml)(line 38))((process xapi)(filename ocaml/xapi/helpers.ml)(line 1825))((process xapi)(filename ocaml/xapi/xapi_vm_helpers.ml)(line 1656))((process xapi)(filename ocaml/xapi/message_forwarding.ml)(line 2654))((process xapi)(filename ocaml/xapi/rbac.ml)(line 228))((process xapi)(filename ocaml/xapi/rbac.ml)(line 238))((process xapi)(filename ocaml/xapi/server_helpers.ml)(line 78)))"
},
"message": "OPERATION_BLOCKED(OpaqueRef:63424fd1-95b1-8518-9a82-faee73bbd427, true)",
"name": "XapiError",
"stack": "XapiError: OPERATION_BLOCKED(OpaqueRef:63424fd1-95b1-8518-9a82-faee73bbd427, true)
at XapiError.wrap (file:///opt/xo/xo-builds/xen-orchestra-202609011557/packages/xen-api/_XapiError.mjs:16:12)
at default (file:///opt/xo/xo-builds/xen-orchestra-202609011557/packages/xen-api/_getTaskResult.mjs:13:29)
at Xapi._addRecordToCache (file:///opt/xo/xo-builds/xen-orchestra-202609011557/packages/xen-api/index.mjs:1329:24)
at file:///opt/xo/xo-builds/xen-orchestra-202609011557/packages/xen-api/index.mjs:1363:14
at Array.forEach (<anonymous>)
at Xapi._processEvents (file:///opt/xo/xo-builds/xen-orchestra-202609011557/packages/xen-api/index.mjs:1353:12)
at Xapi._watchEvents (file:///opt/xo/xo-builds/xen-orchestra-202609011557/packages/xen-api/index.mjs:1560:14)"
}
VM migration into current pool.
vm.migrate
{
"migrationNetwork": "d6492be1-f89e-e4fe-f6e0-1cbaad111581",
"targetHost": "2444db2d-8701-475e-9191-c0b0417b3c51",
"vm": "5579297f-c843-9b13-a418-864db48196b5"
}
{
"code": "VM_BAD_POWER_STATE",
"params": [
"OpaqueRef:3d062b96-e098-69c3-b77b-db727c06505f",
"running",
"halted"
],
"task": {
"uuid": "110cb10e-20c2-b315-d8b9-50cc9b2311d9",
"name_label": "Async.VM.pool_migrate",
"name_description": "",
"allowed_operations": [],
"current_operations": {},
"created": "20260910T13:23:08Z",
"finished": "20260910T13:23:08Z",
"status": "failure",
"resident_on": "OpaqueRef:5e55d030-7245-0317-7463-174fc2c81848",
"progress": 1,
"type": "<none/>",
"result": "",
"error_info": [
"VM_BAD_POWER_STATE",
"OpaqueRef:3d062b96-e098-69c3-b77b-db727c06505f",
"running",
"halted"
],
"other_config": {},
"subtask_of": "OpaqueRef:NULL",
"subtasks": [],
"backtrace": "(((process xapi)(filename ocaml/xapi/xapi_vm_lifecycle.ml)(line 758))((process xapi)(filename ocaml/xapi/xapi_vm_helpers.ml)(line 1657))((process xapi)(filename fun.ml)(line 33))((process xapi)(filename fun.ml)(line 38))((process xapi)(filename ocaml/xapi/helpers.ml)(line 1825))((process xapi)(filename ocaml/xapi/xapi_vm_helpers.ml)(line 1656))((process xapi)(filename ocaml/xapi/message_forwarding.ml)(line 2519))((process xapi)(filename ocaml/xapi/rbac.ml)(line 228))((process xapi)(filename ocaml/xapi/rbac.ml)(line 238))((process xapi)(filename ocaml/xapi/server_helpers.ml)(line 78)))"
},
"message": "VM_BAD_POWER_STATE(OpaqueRef:3d062b96-e098-69c3-b77b-db727c06505f, running, halted)",
"name": "XapiError",
"stack": "XapiError: VM_BAD_POWER_STATE(OpaqueRef:3d062b96-e098-69c3-b77b-db727c06505f, running, halted)
at XapiError.wrap (file:///opt/xo/xo-builds/xen-orchestra-202609011557/packages/xen-api/_XapiError.mjs:16:12)
at default (file:///opt/xo/xo-builds/xen-orchestra-202609011557/packages/xen-api/_getTaskResult.mjs:13:29)
at Xapi._addRecordToCache (file:///opt/xo/xo-builds/xen-orchestra-202609011557/packages/xen-api/index.mjs:1329:24)
at file:///opt/xo/xo-builds/xen-orchestra-202609011557/packages/xen-api/index.mjs:1363:14
at Array.forEach (<anonymous>)
at Xapi._processEvents (file:///opt/xo/xo-builds/xen-orchestra-202609011557/packages/xen-api/index.mjs:1353:12)
at Xapi._watchEvents (file:///opt/xo/xo-builds/xen-orchestra-202609011557/packages/xen-api/index.mjs:1560:14)"
}