Roll back the protection agent

更新日期: 2013年11月

適用於: System Center 2012 R2 Data Protection Manager, System Center 2012 SP1 - Data Protection Manager, System Center Data Protection Manager 2010

Use the following procedures to install a previous version of the protection agent.

If you experience problems after updating a protection agent, you can roll back to a version that was working before you installed the update. For more information, see Updating Protection Agents. Installing a previous version of the protection agent involves the following steps:

  1. Uninstall the updated protection agent from the protected computer.

  2. Reinstall the previous protection agent on the protected computer by using the DPM Administrator Console.

note附註
Before you uninstall a protection agent from a protected computer, you must remove all of the protection group members from the protected computer. For information about how to remove protection group members, see Remove protection group members.

To uninstall the updated version of the protection agent

  1. In DPM Administrator Console, go to the Management view, and then open the Agents workspace.

  2. Click Refresh information on the tool ribbon to update agent status.

  3. Select the protected computer with the protection agent that you want to uninstall.

  4. Click Uninstall on the tool ribbon.

  5. In the Uninstall Agents dialog box, click Uninstall Agents.

  6. In the Enter Credentials and Reboot option dialog box, enter your user name and password, then select a reboot option. Click OK.

  7. Wait for confirmation that the protection agent was successfully uninstalled.

To reinstall the previous version of the protection agent

  1. In DPM Administrator Console, go to the Management view, and then open the Agents workspace.

  2. Click Refresh information on the tool ribbon to update agent status.

  3. In the display pane, select the computer that you want to roll back.

  4. Click Install on the tool ribbon.

  5. On the Select Computers page, click the computers on which you want to reinstall the previous version of a protection agent, then click Add.

  6. Click Advanced.

    note附註
    The Advanced option is enabled only when more than one version of the protection agent is available for installation on the selected computers. If enabled, you can use this option to roll back to a previous compatible version.

  7. In the Advanced dialog box, select the previous version that you want to install.

    note附註
    If the previous version that you want to install is not displayed, it means that this previous version is not compatible with the currently installed DPM software. To roll back to a previous version that is not displayed, you must first roll back the DPM software.

  8. On the Enter Credentials page, type the user name and password for a domain account that is a member of the local administrators group on each of the selected computers.

  9. On the Choose Restart Method page, select the method to use for restarting the computer after the protection agent is installed.

    Important重要事項
    Workstations do not require a restart when you install the protection agent. Servers must be restarted before you can start protecting data. This restart is necessary to ensure that the protection agent gets installed correctly. After restart, it might take a few more minutes before DPM can contact the computer because of the time required to start services.

  10. On the Summary page, click Install Agents to proceed with the installation. DPM installs the previous version of the protection agent that you selected.

    A status box is displayed to indicate whether the installation is successful. You cannot close this box until after installation has either succeeded or failed. For information about resolving agent installation failures, see the Troubleshooting.

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For additional resources, see Information and Support for System Center 2012.

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