Unable to Create Repository in Rapid Recovery 6 Core (4039318)

The Rapid Recovery 6.x Core is unable to create a new repository for a new Core installation in a Windows 10 machine.  You have already performed a Core repair, and have uninstalled and reinstalled the Core software and still obtain the same result.  You are also unable to create a 'test' repository on another local volume.  However, you are able to create a repository in a network share via CIFS connection.

Application UI error:

Error
IOCTL IoctlVolumeGetGptAttributes failed - The parameter is incorrect
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Server side:
Replay.Common.Contracts.Win32Api.Win32ApiFailedException: IOCTL IoctlVolumeGetGptAttributes failed - The parameter is incorrect
at Replay.Common.Implementation.Win32Api.Win32.ThrowLastError(String message, Object[] args)
at Replay.Common.Implementation.Win32Api.Win32.DeviceIoControl(SafeFileHandle volumeHandle, IOControlCode controlCode, Byte[] inputBuffer, Byte[] outputBuffer)
at Replay.Common.Implementation.Win32Api.Win32.DeviceIoControlOutputOnly[T](SafeFileHandle volumeHandle, IOControlCode controlCode)
at Replay.Common.Implementation.Win32Api.Win32.GetVolumeAttributes(String volumeName)
at Replay.Common.Implementation.Win32Api.Win32.IsVolumeReadOnly(String volumeName)
at Replay.Common.Implementation.Storage.WinApiWrapper.WinApiVolume.getReadOnly()
at Replay.Common.Implementation.Storage.VolumeMetadataWinApi.getIsReadOnly()
at Replay.Common.Implementation.Metadata.CommonMetadataService.GetVolumeInformation(ICommonSummaryMetadata metaData, IStorageMetadata storageMetadata)
at Replay.Common.Implementation.Metadata.CommonMetadataService.GetCommonSummaryMetadata(ICommonSummaryMetadata metadata, Boolean includeNonSnapableVolumes)
at Replay.Common.Implementation.Win32Api.MountPointSelectorService.GetVolumesWithMountPoints()
at Replay.Core.Implementation.Repositories.RepositoryServiceValidationHelper.VerifyL

AppRecovery Error:

ERROR 2017-10-25T11:46:08 [13] - Replay.Common.Implementation.Win32Api.Win32 (RequestUri=https://localhost:8006/apprecovery/api/core/reposManagement/repositories/verifyFileSpecifications ClientAddress=::1:50762 Service=Replay.Core.Management.Repositories.RepositoryManagement Method=VerifyFileSpecifications)
Failed to get disk attributes information for '\\?\Volume{4ac27830-3810-4546-ba6b-c10fa8d4448b}'
Replay.Common.Contracts.Win32Api.Win32ApiFailedException depth 0: IOCTL IoctlVolumeGetGptAttributes failed - The parameter is incorrect (0x80131500)
at Replay.Common.Implementation.Win32Api.Win32.ThrowLastError(String message, Object[] args) +0xc 6001e8f
at Replay.Common.Implementation.Win32Api.Win32.DeviceIoControl(SafeFileHandle volumeHandle, IOControlCode controlCode, Byte[] inputBuffer, Byte[] outputBuffer) +0x41 6001e92
at Replay.Common.Implementation.Win32Api.Win32.DeviceIoControlOutputOnly[T](SafeFileHandle volumeHandle, IOControlCode controlCode) +0x20 6001e90
at Replay.Common.Implementation.Win32Api.Win32.GetVolumeAttributes(String volumeName) +0x6b 6001eaa

This issue has been detected commonly on Cores installed in Windows 10 (various versions) machines.

There are two methods for metadata gathering: WinApi and VDS

By default, the Core will try to obtain the disk's metadata using WinApi. There is a parameter called 'Include Non-NTFS Volumes' for the disk's metadata gathering, so the Core will attempt to retrieve the volume information for EFI partitions too.  However, for unknown reasons, this attempt fails to read the volume information for the EFI partition.  To resolve this, change the metadata gathering method from WinApi to VDS.

Windows Registry Disclaimer:  Quest does not provide support for problems that arise from improper modification of the registry. The Windows registry contains information critical to your computer and applications. Make sure you back up the registry before modifying it. For more information on the Windows Registry Editor and how to back up and restore it, refer to Microsoft Article ID 256986 Windows registry information for advanced users at Microsoft Support.

To resolve this issue, perform the following steps to change metadata gathering method from WinApi to VDS:

Remote into the Core server:

1. Open RegEdit
2. Stop the Core service, if unsure how, check How To Stop the Core Service
3. Go to HKEY_LOCAL_MACHINE\SOFTWARE\AppRecovery\Core\CoreSettings
4. Change the value for the DWORD EnableWinApiServiceMetadata to 0
5. Start the Core service; you may follow the same KB mentioned in Step 2.
6. Create the repository on the local disk and it should be successful

If the issue persists, please contact Technical Support for further assistance.