Thursday , March 5 2020

Windows Server Backup failed to Complete. System writer not found

In Windows Server 2016 when we take system state backup. It fails with an error.

Backup Failed to Complete. The System writer is not found in the backup

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Solution –

Make sure System Writer is missing

Start – Cmd

vss admin list writers

(Working Machine)

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Try Restarting Below services

  1. COM+ Event System
  2. COM+ System Application
  3. Distributed Transactions Coordinator
  4. Microsoft Software Shadow Copy Provider
  5. Volume Shadow Copy service
  6. Block Level Backup Engine Service

Check System writer is visible. if not.

Start Command Prompt Run as Administrator


Takeown /f %windir%\winsxs\temp\PendingRenames /a
icacls %windir%\winsxs\temp\PendingRenames /grant "NT AUTHORITY\SYSTEM:(RX)"
icacls %windir%\winsxs\temp\PendingRenames /grant "NT Service\trustedinstaller:(F)"
icacls %windir%\winsxs\temp\PendingRenames /grant BUILTIN\Users:(RX)
Takeown /f %windir%\winsxs\filemaps\* /a
icacls %windir%\winsxs\filemaps\*.* /grant "NT AUTHORITY\SYSTEM:(RX)"
icacls %windir%\winsxs\filemaps\*.* /grant "NT Service\trustedinstaller:(F)"
icacls %windir%\winsxs\filemaps\*.* /grant BUILTIN\Users:(RX)

net stop cryptsvc
net start cryptsvc

Now system writer should be visible.

About Satheshwaran Manoharan

Satheshwaran Manoharan is an Microsoft Office Server and Services MVP , Publisher of Azure365pro.com. Specialized in Office365 / Microsoft Exchange / Virtualization , Sathesh is an Messaging Expert supporting/Designing/Deploying many medium size businesses to large enterprises when it comes to Corporate messaging and Virtualization Infrastructure

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One comment

  1. I ran the command lines stated in the post. But I still can not see the “System Writer” in the vssadmin list writers command. All other writers are present.

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