Important steps for installing Service Pack 4.

A. Service Pack 4 makes some permanent changes to the registry and so before installing you should perform the following steps to facilitate a Service Pack uninstall in the event of a problem. Before installing the service pack make sure you have performed the installation on a test server and as with another "fix" don't install unless you need a fix supplied by the Service Pack or have been instructed to install it by a Microsoft support engineer. If it ain't broke, don't fix it.

  1. Perform a full backup of all files and the registry using NTBACKUP or another backup program
  2. Create an up-to-date Emergency Repair Disk and store safely
    RDISK /s
  3. Reboot your system and check the Event Viewer (Start - Programs - Administrative Tools - Event Viewer) and check for any errors. Fix before proceeding. If you make any changes fixing the problems go back to step 2 and recreate another ERD.
  4. Copy your old Uninstall directory to a backup location
    C:\> md %systemroot%\$ntservicepackuninstallback$
    C:\> copy %systemroot%\$ntservicepackuninstall$ %systemroot%\$ntservicepackuninstallback$
  5. Run the resource kit utility SRVINFO.EXE (if available) and keep a copy of the output
  6. Disable any non-essential third-party drivers/services not required for starting the system. Contact the manufacturers to see if updated versions are available.
  7. Check you have enough disk space, you will need 80MB if you select to create an uninstall directory, 40MB if not
  8. Close all active debugging sessions or remote control sessions and any other non-essential applications before starting the upgrade

TAGS: Windows 8
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