Symptoms:
- VM stops suddenly during VM reconfiguration
- Power On fails with similar errors in vmware.log
2018-12-17T09:05:30.207Z| vmx| I125: AIOGNRC: Failed to open '/vmfs/volumes/5c072ce3-b4ba034e-1f2f-ecf4bbec6668/rdm-test1/rdm-test1-rdmp.vmdk' : Failed to lock the file (40003) (0x2003).
2018-12-17T09:05:30.207Z| vmx| I125: AIOMGR: AIOMgr_OpenWithRetry: Descriptor file '/vmfs/volumes/5c072ce3-b4ba034e-1f2f-ecf4bbec6668/rdm-test1/rdm-test1-rdmp.vmdk' locked (try 1)
2018-12-17T09:05:30.509Z| vmx| I125: AIOGNRC: Failed to open '/vmfs/volumes/5c072ce3-b4ba034e-1f2f-ecf4bbec6668/rdm-test1/rdm-test1-rdmp.vmdk' : Failed to lock the file (40003) (0x2003).
2018-12-17T09:05:30.509Z| vmx| I125: AIOMGR: AIOMgr_OpenWithRetry: Descriptor file '/vmfs/volumes/5c072ce3-b4ba034e-1f2f-ecf4bbec6668/rdm-test1/rdm-test1-rdmp.vmdk' locked (try 2)
2018-12-17T09:05:30.811Z| vmx| I125: AIOGNRC: Failed to open '/vmfs/volumes/5c072ce3-b4ba034e-1f2f-ecf4bbec6668/rdm-test1/rdm-test1-rdmp.vmdk' : Failed to lock the file (40003) (0x2003).
2018-12-17T09:05:30.811Z| vmx| I125: AIOMGR: AIOMgr_OpenWithRetry: Descriptor file '/vmfs/volumes/5c072ce3-b4ba034e-1f2f-ecf4bbec6668/rdm-test1/rdm-test1-rdmp.vmdk' locked (try 3)
2018-12-17T09:05:31.114Z| vmx| I125: AIOGNRC: Failed to open '/vmfs/volumes/5c072ce3-b4ba034e-1f2f-ecf4bbec6668/rdm-test1/rdm-test1-rdmp.vmdk' : Failed to lock the file (40003) (0x2003).
2018-12-17T09:05:31.114Z| vmx| I125: AIOMGR: AIOMgr_OpenWithRetry: Descriptor file '/vmfs/volumes/5c072ce3-b4ba034e-1f2f-ecf4bbec6668/rdm-test1/rdm-test1-rdmp.vmdk' locked (try 4)
Note: The preceding log excerpts are only examples. Date, time, and environmental variables may vary depending on your environment.