transaction support within the specified resource manager is not started or was shut down due to an error (0x80071A91)

Hi,

This issue occurs if the Windows file system transaction log is corrupted. The Windows file system uses the transaction log to recover system transactions when a file error occurs.

To fix this problem, follow these steps:

1. Click StartCollapse this imageExpand this im, type cmd in the Start Search box, and then right-click cmd in the Programs list.
2. Click Run as administrator, and then click Continue. Collapse this imageExpand this imaIf you are prompted for an administrator password or for confirmation, type the password, or click Allow.
3. At a command prompt, type the following command, and then press ENTER:

fsutil resource setautoreset true c:\

Note These steps assume that Windows is installed in the default location, on drive C. If this is not the case, adjust the drive letter of the folder path to match your configuration.

1. Restart the computer

Now check if you are able to perform the backup.

Hope this information is helpful.

Amrita M

Microsoft Answers Support Engineer
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