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System Restore Troubleshooting



The Microsoft Windows Media Digital Rights Management (DRM) system may not work after you perform a system restore operation. This problem occurs if you back up DRM state information during a system backup operation. We recommend that you exclude DRM system folders from backup images when you perform system backup operations.
    


After you install Windows Vista Service Pack 1 (SP1), existing system restore points may no longer be available. Additionally, shadow copies of files may have been removed as part of the service pack installation.
    


When you try to perform a file backup operation or a system restore operation in Windows Vista, you may receive the following error message:

Incompatible version of the serializing package. (0x80070724)


If you cannot log on to Windows Vista, you can use the Windows Vista System Restore feature. You may be unable to log on to Windows Vista in the following scenarios:
  • Scenario 1: You recently set a new password for the protected administrator account. However, you do not remember the password.
  • Scenario 2: You type the correct logon password. However, Windows Vista does not accept the password because the system is corrupted.
  • Scenario 3: You delete a protected administrator account. Now, you cannot log on to another administrator account.
  • Scenario 4: You change a protected administrator account to a standard user account. Now, you cannot log on to another administrator account.
    


This article discusses how to repair the operating system and how to restore the operating system configuration to an earlier point in time in Windows Vista. It describes how to use the System File Checker tool to scan and replace system files in scenarios where you are troubleshooting an issue in Windows Vista. It also discusses how to use the System Restore tool to restore the operating system configuration to an earlier point in time.
    


When you use the System Restore feature in Windows Vista, you receive the following message:

No Restore Points have been created on your computer's system disk.

Additionally, only the most recent backup files from Windows Vista Complete PC Backup are available. Earlier versions of the backup files are unavailable. You experience this problem if you are running Windows Vista or Windows Server 2008 on a computer that is also configured to run an earlier Windows operating system.