This post fromMiniTooltells you how to fix the issue.
The following are two common Windows Server system state backup fails error messages.
Error 1: Backup failed to complete.
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The system writer is not found in the backup.
Error 2: The filename, directory name, or volume label syntax is incorrect.
Microsoft has announced the Windows Server VNext Preview 26052.
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This post gives details and you’ve got the option to know how to download it.
If you want to factory reset Windows Server 2022, you’re able to refer to this post.
There are 3 methods with step-by-step instructions.

It can back up your complete system including system state to a local or remote location.
Besides, it allows toperform data backup and recoveryandmove Windows to another drive.
Now, lets see how to back up the system with MiniTool ShaodwMaker.

MiniTool ShadowMaker TrialClick to Download100%Clean & Safe
Step 1.
Launch MiniTool ShadowMaker and clickKeep Trailto start a backup.
In the main function interface, clickBackup.
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ClickBack Up NoworBack Up Later.
Press theWindows + Rto pop pop the Run dialog box.
Typeservices.mscin the box and clickOKto continue.

Find out the below services one by one and right-click each option to chooseRestart.
These restore points create snapshots that consume disk space.
Sometimes Windows has an internal error and cannot delete the storage.

This disk space can be cleared by using thevssadmincommand in Command Prompt.
Here is how to do that:
Step 1.
Typecmdin theSearchbox and chooseRun as administrator.

How to do that?
This post provides 4 ways with detailed steps for you.
Then, typelist writers detailedand pressEnter.After a while, this will list all of the writers and affected volumes.
Open thewriters.txtfile in Notepad, then search forwindows\text.
Navigate to the following key.
Then change theImagePathvalue string data toSystem32\DRIVERS\vsock.sys.
Final Words
Have you encountered the error Windows Server system state backup fails?
How to fix it on your PC?