Since I learned that Azure Backup turned available for Windows 8.1 I have tried to get it to work but I have not succeeded yet. I have followed the instructions but when i try to make a backup I get the 0x1D4C2 error. When looking in the logs I don't see any clear indications of what went wrong. There are a lot of warnings in the log though, so I have broken out some of them below. Note that there are more stuff happening in between the lines. If it's needed I can publish the whole log.
0A10 167C 01/28 14:21:17.735 71 nativeutils.hpp(42) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070002] : Encountered Failure: : lVal : r.GetValue(pszKey, pT)
0A10 167C 01/28 14:21:17.735 71 replica.cpp(532) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070002] : Encountered Failure: : lVal : RegUtils::GetValueFromRegKey( L"Software\\Microsoft\\" L"Windows Azure Backup" L"\Config" L"\CloudBackupProvider", ssRegKeyName.PeekStr(), &dwValue)
0A10 167C 01/28 14:21:17.735 71 nativeutils.hpp(42) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070002] : Encountered Failure: : lVal : r.GetValue(pszKey, pT)
0A10 167C 01/28 14:21:17.735 71 replica.cpp(532) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070002] : Encountered Failure: : lVal : RegUtils::GetValueFromRegKey( L"Software\\Microsoft\\" L"Windows Azure Backup" L"\Config" L"\CloudBackupProvider", ssRegKeyName.PeekStr(), &dwValue)
0A10 167C 01/28 14:21:17.735 03 registryutils.cpp(171) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070002] : Failed: Unable to get Value HKLM\鉈돁翸\Software\Microsoft\Windows Azure Backup\Config\CloudBackupProvider
0A10 167C 01/28 14:21:17.735 71 dscontext.cpp(932) [000000001C700CB0] 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070002] : StartUsn_\\?\Volume{34b94470-87aa-4d96-9741-667a7203f311}_FS_1576418199653472395: lVal : RegUtils::GetValue(REG_KEY_DLS_CLOUDBACKUPPOROVIDER_CONFIG, GetUsnRegValueName(L"StartUsn", ssVolumeName).PeekStr(), ®istryStartUsn)
0A10 167C 01/28 14:21:17.735 71 nativeutils.hpp(42) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070002] : Encountered Failure: : lVal : r.GetValue(pszKey, pT)
0A10 167C 01/28 14:21:17.735 71 replica.cpp(532) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070002] : Encountered Failure: : lVal : RegUtils::GetValueFromRegKey( L"Software\\Microsoft\\" L"Windows Azure Backup" L"\Config" L"\CloudBackupProvider", ssRegKeyName.PeekStr(), &dwValue)
0A10 167C 01/28 14:21:17.735 71 nativeutils.hpp(42) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070002] : Encountered Failure: : lVal : r.GetValue(pszKey, pT)
0A10 167C 01/28 14:21:17.735 71 replica.cpp(532) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070002] : Encountered Failure: : lVal : RegUtils::GetValueFromRegKey( L"Software\\Microsoft\\" L"Windows Azure Backup" L"\Config" L"\CloudBackupProvider", ssRegKeyName.PeekStr(), &dwValue)
0A10 167C 01/28 14:21:17.735 03 workitem.cpp(86) [000000001C889DE0] 43C219F4-44AA-4409-ABD2-626263485F7A ACTIVITY Idle Timer created with timeout = 390000
0A10 167C 01/28 14:21:17.735 70 acceptdatasetsubtask.cpp(354) [000000001C9FDAE0] 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL CAcceptDatasetSubTask::Initialize: Target path - \\?\Volume{325b8041-a65d-11e4-8278-60029272e49c}\
0A10 167C 01/28 14:21:17.735 18 dsmreceiversubtaskbase.cpp(39) [000000001CA425A0] 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL CDsmReceiverSubTaskBase: constructor [000000001CA425A0] openovl[000000001CA42710] msgovl[000000001CA42808] closeovl[000000001CA42760]
0A10 167C 01/28 14:21:17.735 18 dsmreceiversubtaskbase.cpp(39) [000000001CA11310] 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL CDsmReceiverSubTaskBase: constructor [000000001CA11310] openovl[000000001CA11480] msgovl[000000001CA11578] closeovl[000000001CA114D0]
0A10 167C 01/28 14:21:17.735 18 dsmsendersubtaskbase.cpp(47) [000000001CA67040] 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL CDsmSenderSubTaskBase: constructor [000000001CA67040] openovl[000000001CA671B0] msgovl[000000001CA672B0] closeovl[000000001CA67200]
0A10 167C 01/28 14:21:17.735 18 writeriterator.cpp(82) [0000000019527740] 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL CFileWriterIterator:Init(overwrite:0, setarchive:0, setchangetime:1, skiptargetmetadatarestore:0, restoresec:1, recreaterp:1, throttle:0) called
0A10 167C 01/28 14:21:17.735 18 writeriterator.cpp(221) [0000000019527740] 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL CFileWriterIterator::AddAlternateLocationMapping(filepath:\\?\Volume{34b94470-87aa-4d96-9741-667a7203f311}\, filespec:*, destination:\\?\Volume{325b8041-a65d-11e4-8278-60029272e49c}\) called
0A10 167C 01/28 14:21:17.735 18 readeriterator.cpp(289) [000000001CA13C10] 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL CFileReaderIterator::SetFileSystemFlags (0x9) called
0A10 167C 01/28 14:21:17.735 18 iteratorutils.cpp(690) 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL CaseSensitivity NOT enabled on the machine
0A10 167C 01/28 14:21:17.735 18 readeriterator.cpp(110) [000000001CA13C10] 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL CFileReaderIterator:AddIncludeFiles(filepath:\\?\Volume{34b94470-87aa-4d96-9741-667a7203f311}\Users\Andreas\Synk\, filespec:*, snapshotpath:\\?\Volume{325b8041-a65d-11e4-8278-60029272e49c}\Users\Andreas\Synk\) called
0A10 167C 01/28 14:21:17.735 18 fsutils.cpp(4049) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070003] : GetFileAttributes failed for \\?\Volume{325b8041-a65d-11e4-8278-60029272e49c}\Users\Andreas\Synk\
0A10 167C 01/28 14:21:17.735 18 fsutils.cpp(624) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070003] : Failed to get attributes for \\?\Volume{325b8041-a65d-11e4-8278-60029272e49c}\Users\Andreas\Synk\
0A10 167C 01/28 14:21:17.735 18 fsutils.cpp(2188) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80990a54] : Source path not found:\\?\Volume{325b8041-a65d-11e4-8278-60029272e49c}\Users\Andreas\Synk\
0A10 167C 01/28 14:21:17.767 70 nativeutils.hpp(42) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070002] : Encountered Failure: : lVal : r.GetValue(pszKey, pT)
0A10 167C 01/28 14:21:17.767 70 filespeclocalcache.cpp(308) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070003] : Encountered Failure: : lVal : hFile = ::CreateFileW( ssFileName.PeekStr(), (0x80000000L), 0, 0, 3, 0x00000080, 0)
0A10 167C 01/28 14:21:17.767 18 pruningiterator.cpp(479) [000000001CAC9CA0] 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL CPruningIterator::GetNextFile - File [\\?\Volume{325b8041-a65d-11e4-8278-60029272e49c}\System Volume Information\FVE2.{09cf57b8-9e6c-43d4-ae1f-0408882a397d}.1] returned for deletion
0A10 1AD8 01/28 14:21:17.767 70 itemcatalogupdater.cpp(259) 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL Hr: = [0x00000000] QueryTaskId success!.
0A10 1AD8 01/28 14:21:17.767 70 catalogfailurehandler.cpp(343) [000000001CA53620] 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL CCatalogFailureHandler :: GetLastFailedEntries, Reading catalog failures in Last Backup..
0A10 1AD8 01/28 14:21:17.767 70 catalogfilehelper.cpp(287) [000000001C8CB610] 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL Opening file - C:\Program Files\Microsoft Azure Recovery Services Agent\Scratch\CoFLists\CatalogLists\{BD5BA688-EF07-416C-A244-52B95FFF1CCE}_CatalogFailedEntry_B.dat with IsReadOnly = true
0A10 1AD8 01/28 14:21:17.767 70 catalogfailurehandler.cpp(549) [000000001CA53620] 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070002] CCatalogFailureHandler :: OnPreviousErrorUploadFinished failed to delete old records file
0A10 1AD8 01/28 14:21:17.767 70 catalogfailurehandler.cpp(550) [000000001CA53620] 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070002] : Encountered Failure: : lVal : hr
0A10 1AD8 01/28 14:21:17.767 70 itemcatalogupdater.cpp(1044) [000000001C890890] 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL Hr: = [0x00000000] SetCatalogFailureHelper::UploadPreviousFailures : Completed.
0A10 1AD8 01/28 14:21:17.767 70 itemcatalogupdater.cpp(566) 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL Uploading 1 RO entries
0A10 1AD8 01/28 14:21:17.767 79 WcfClient.cs(944) 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL Executing web service call | Params: {ServiceInterface = Microsoft.Internal.CloudBackup.Common.FileCatalog.Interface.IFileCatalogExternalChannel}{Description = UpdateROArgs}{TargetEndpoint = https://pod01-fc1.ne.backup.windowsazure.com/FileCatalogExternalService.svc}
0A10 1AD8 01/28 14:21:17.767 69 CBEngineWcfClientHelper.cs(320) 43C219F4-44AA-4409-ABD2-626263485F7A NORMAL Setting RequestId header for outgoing request | Params: {RequestId = 8dcfb39f-3022-4d3a-b73f-b11e290758e0}{WorkitemId = 5b81881f-7d02-47b0-bb1a-a266bfec2522}{TaskId = 43c219f4-44aa-4409-abd2-626263485f7a}{AgentVersion = 2.0.8694.0}
0A10 167C 01/28 14:21:17.767 18 fswrapper.cpp(932) [000000001DC1E310] 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Parameter: [0x80070020], FilePath = \\?\Volume{325b8041-a65d-11e4-8278-60029272e49c}\System Volume Information\FVE2.{09cf57b8-9e6c-43d4-ae1f-0408882a397d}.1
0A10 167C 01/28 14:21:17.767 18 fswrapper.cpp(932) [000000001DC1E310] 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070020] : CreateFile failed \\?\Volume{325b8041-a65d-11e4-8278-60029272e49c}\System Volume Information\FVE2.{09cf57b8-9e6c-43d4-ae1f-0408882a397d}.1 with error :32
0A10 167C 01/28 14:21:17.767 70 onlinesubtask.cpp(496) [000000001C9FDAE0] 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070020] COnlineSubTask::UpdateStatus => hr
0A10 167C 01/28 14:21:17.767 71 dscontext.cpp(152) [000000001C700CB0] 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Last completed state for Ds Id (1576418199653472395) is 18
0A10 167C 01/28 14:21:17.767 71 dscontext.cpp(158) [000000001C700CB0] 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Ds Id (1576418199653472395) failed. DLS: 0 HRESULT: 0x80070020
0A10 167C 01/28 14:21:17.767 71 replicator.cpp(315) [000000001C840BA0] 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070020] SetupReplicationForReplica unsuccessful for replica id ({BD5BA688-EF07-416C-A244-52B95FFF1CCE}) Volume (\\?\Volume{34b94470-87aa-4d96-9741-667a7203f311}\))
0A10 167C 01/28 14:21:18.188 71 backupasync.cpp(1045) [000000001C8B2730] 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80070020] Backup Progress: Failed
0A10 167C 01/28 14:21:18.548 22 vdshelper.cpp(923) [000000001A7F6600] 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x80990fb0] Disk [\\?\PHYSICALDRIVE2] is not found as unknown
0A10 167C 01/28 14:21:18.595 03 dynamicloadedmodule.cpp(91) [000000001DC1F230] 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Failed: Hr: = [0x8007007e] : Failed to load DLL [C:\windows\system32\WSBOnline.dll]
0A10 167C 01/28 14:21:18.595 79 bpbackupstoreutils.cpp(417) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Snap-In Updation skipped because dll not loaded
0A10 167C 01/28 14:21:18.595 79 bpbackupstoreutils.cpp(157) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Snap-In Updation Skipped because WSBOnline.dll was not found.
0A10 167C 01/28 14:21:18.595 79 bpbackupstoreutils.cpp(390) 43C219F4-44AA-4409-ABD2-626263485F7A WARNING Error trying to add regkey for completion success ignoringI have tried to completely re-install the agent and remove the vault in Azure.