Hi Estanev
I have enabled the verbose log.
From the agent i find this errors:
2017-10-23T15:24:38.732+02:00 info vmware-converter-agent[17004] [Originator@6876 sub=Default] [BaseDiskSetComputer::OpenDiskSet] Will use open retries count 3
2017-10-23T15:24:38.732+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] UUID: SMBIOS UUID is reported as '44 45 4c 4c 48 00 10 32-80 50 b8 c0 4f 47 35 4a'.
2017-10-23T15:24:38.732+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] FILE: FileLockDynaLink: Further process validation tools are: available
2017-10-23T15:24:38.857+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] OBJLIB-FILEBE : FileBEQueue: could not queue the operation on 'C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX' : The parameter is incorrect (5701634)
2017-10-23T15:24:38.857+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-Vhdx: Cannot read region header.
2017-10-23T15:24:38.857+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-Vhdx: "C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX" : failed to open (5701641): Failed to read the VHDX regions.
2017-10-23T15:24:38.857+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-DSCPTR: : "C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX" : Failed to open first VHDX member.
2017-10-23T15:24:38.857+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-LINK : "C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX" : failed to open (The parameter is incorrect).
2017-10-23T15:24:38.857+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-CHAIN : "C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX" : failed to open (The parameter is incorrect).
2017-10-23T15:24:38.857+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-LIB : Failed to open 'C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX' with flags 0x20e The parameter is incorrect (5701641).
2017-10-23T15:24:38.857+02:00 info vmware-converter-agent[17004] [Originator@6876 sub=Default] Sysimgbase_DiskLib_OpenWithPassPhrase failed with 'The parameter is incorrect' (error code:5701641)
2017-10-23T15:24:38.857+02:00 info vmware-converter-agent[17004] [Originator@6876 sub=Default] Error 5701641 opening disk C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX.
2017-10-23T15:24:38.857+02:00 warning vmware-converter-agent[17004] [Originator@6876 sub=Default] ERROR 5701641 opening disk disk-3.
2017-10-23T15:24:38.857+02:00 info vmware-converter-agent[17004] [Originator@6876 sub=Default] Attempt to opening disk disk-3 again [rest 2] (sleep for 5 sec).
2017-10-23T15:24:43.982+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] OBJLIB-FILEBE : FileBEQueue: could not queue the operation on 'C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX' : The parameter is incorrect (5701634)
2017-10-23T15:24:43.982+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-Vhdx: Cannot read region header.
2017-10-23T15:24:43.982+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-Vhdx: "C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX" : failed to open (5701641): Failed to read the VHDX regions.
2017-10-23T15:24:43.982+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-DSCPTR: : "C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX" : Failed to open first VHDX member.
2017-10-23T15:24:43.998+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-LINK : "C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX" : failed to open (The parameter is incorrect).
2017-10-23T15:24:43.998+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-CHAIN : "C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX" : failed to open (The parameter is incorrect).
2017-10-23T15:24:43.998+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-LIB : Failed to open 'C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX' with flags 0x20e The parameter is incorrect (5701641).
2017-10-23T15:24:43.998+02:00 info vmware-converter-agent[17004] [Originator@6876 sub=Default] Sysimgbase_DiskLib_OpenWithPassPhrase failed with 'The parameter is incorrect' (error code:5701641)
2017-10-23T15:24:43.998+02:00 info vmware-converter-agent[17004] [Originator@6876 sub=Default] Error 5701641 opening disk C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX.
2017-10-23T15:24:43.998+02:00 warning vmware-converter-agent[17004] [Originator@6876 sub=Default] ERROR 5701641 opening disk disk-3.
2017-10-23T15:24:43.998+02:00 info vmware-converter-agent[17004] [Originator@6876 sub=Default] Attempt to opening disk disk-3 again [rest 1] (sleep for 10 sec).
2017-10-23T15:24:54.139+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] OBJLIB-FILEBE : FileBEQueue: could not queue the operation on 'C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX' : The parameter is incorrect (5701634)
2017-10-23T15:24:54.139+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-Vhdx: Cannot read region header.
2017-10-23T15:24:54.139+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-Vhdx: "C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX" : failed to open (5701641): Failed to read the VHDX regions.
2017-10-23T15:24:54.139+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-DSCPTR: : "C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX" : Failed to open first VHDX member.
2017-10-23T15:24:54.154+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-LINK : "C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX" : failed to open (The parameter is incorrect).
2017-10-23T15:24:54.154+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-CHAIN : "C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX" : failed to open (The parameter is incorrect).
2017-10-23T15:24:54.154+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] [,0] DISKLIB-LIB : Failed to open 'C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX' with flags 0x20e The parameter is incorrect (5701641).
2017-10-23T15:24:54.154+02:00 info vmware-converter-agent[17004] [Originator@6876 sub=Default] Sysimgbase_DiskLib_OpenWithPassPhrase failed with 'The parameter is incorrect' (error code:5701641)
2017-10-23T15:24:54.154+02:00 info vmware-converter-agent[17004] [Originator@6876 sub=Default] Error 5701641 opening disk C:\ClusterStorage\Volume4\BAKURA\BAKURASYS-0.VHDX.
2017-10-23T15:24:54.154+02:00 warning vmware-converter-agent[17004] [Originator@6876 sub=Default] ERROR 5701641 opening disk disk-3.
2017-10-23T15:24:54.154+02:00 error vmware-converter-agent[17004] [Originator@6876 sub=Default] [BaseDiskSetComputer::OpenDiskSet] OpenDisks failed, mntapi error: 91226257
2017-10-23T15:24:54.154+02:00 error vmware-converter-agent[17004] [Originator@6876 sub=Default] [BaseDiskSetComputer::AnalyzeErrorAndThrow] Error occurred when opening disk set, MNTAPI_ERROR = 91226257 MNTAPI errorType = 1, errorCode = 5701641
2017-10-23T15:24:54.154+02:00 error vmware-converter-agent[17004] [Originator@6876 sub=Default] AnalyzeErrorAndThrow(): DiskLib error 87
2017-10-23T15:24:54.154+02:00 verbose vmware-converter-agent[17004] [Originator@6876 sub=Default] VimConnectionStore stopping keepalive
2017-10-23T15:24:54.154+02:00 info vmware-converter-agent[17004] [Originator@6876 sub=Default] Scheduled timer canceled, StopKeepAlive succeeds
2017-10-23T15:24:54.154+02:00 error vmware-converter-agent[17004] [Originator@6876 sub=Default] Unknown exception while invoking VMOMI method query
2017-10-23T15:25:22.904+02:00 error vmware-converter-agent[09356] [Originator@6876 sub=Ufa.HTTPService] Failed to read request; stream: <SSL(<io_obj p:0x020ebdf8, h:-1, <TCP '0.0.0.0:0'>, <TCP '0.0.0.0:0'>>)>, error: class Vmacore::TimeoutException(Operation timed out)
2017-10-23T15:27:51.064+02:00 verbose vmware-converter-agent[13612] [Originator@6876 sub=Default] Converter Agent SessionManager Logout
2017-10-23T15:27:51.064+02:00 info vmware-converter-agent[13612] [Originator@6876 sub=Default] Stopped impersonating in session 52379478-953b-022d-578e-790e2410a5c2
2017-10-23T15:27:51.064+02:00 verbose vmware-converter-agent[13612] [Originator@6876 sub=Default] CloseSession called for session id=52379478-953b-022d-578e-790e2410a5c2
2017-10-23T15:27:51.064+02:00 info vmware-converter-agent[13612] [Originator@6876 sub=Default] Session is closing, releasing cached session objects