Modify the access control list on the registration folder
To perform this procedure, the user must be a member of the local Administrators group, or must have been delegated the appropriate authority.
To modify the access control list on the COM catalog folder:
1. Click Start, and then click Computer.
2. Navigate to %systemdrive%\Windows.
3. Right-click on Registration folder, and click Properties, and then click the Security tab.
4. Click Advanced, and then click Edit.
5. If the User Account Control dialog box appears, confirm that the action it displays is appropriate, and then click Continue.
6. Click Edit to view the special permissions assigned to this folder.
7. Ensure that the access control list matches the following criteria
- The local Administrators group has Full Control permissions applied to This folder and files.
- The Everyone group has List folder/read data, Read attributes, Read extended attributes, and Read permissions applied to This folder and files.
- The local SYSTEM account has Full Control permissions applied to This folder and files.
8. If the permissions on this folder do not match what is listed in this procedure, make the appropriate changes, and then click OK.
To verify that the Shadow Copy System Writer is working properly
1. Click Start, point to All Programs, and then click Accessories.
2. Right-click Command Prompt, and then click Run as administrator.
3. If the User Account Control dialog box appears, confirm that the action it displays is appropriate, and then click Continue.
4. In the command prompt window, type "vssadmin list writers"
5. Ensure that Writer Name: 'System Writer' is displayed in the list.
If the issue persists and the System Writer is still not listed, proceed with the steps below.
1. Click Start, point to All Programs, and then click Accessories.
2. Right-click Command Prompt, and then click Run as administrator.
3. If the User Account Control dialog box appears, confirm that the action it displays is appropriate, and then click Continue.
Run the following commands :
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
Type "vssadmin list writers" and it should now show the system writers. Make sure all the writers are in "stable" state. If not, reboot the server and check again. In case the issue still persists please contact Microsoft Support for further troubleshooting.
For Additional Information on Event ID 513 ( Shadow Copy System Writer Functionality ), please refer the following Microsoft Article :