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Updating Plesk Version 7.5 or Later to Plesk 8.1 Through Command Line Interface

If you have Plesk version earlier than 7.5.x installed on your machine, you need to update it to Plesk 7.5.6+ first, migrating all data, and then run the Plesk 8.1 installer. For more information about updating Plesk version 7.5.x or earlier to Plesk 8.1 refer to the Updating Plesk Version 7 or Earlier to Plesk 8.1 section.

Attention! If you are running Plesk 7.5 or later servers in Virtuozzo environment, the update procedure might cause data loss and Plesk server malfunction. SWsoft will not be responsible or liable, directly or indirectly, for any damage or loss caused or alleged to be caused by or in connection with upgrade of Plesk for Windows running in Virtuozzo environment to Plesk version 8.1. If you want to update Plesk 7.6 or later servers working in Virtuozzo environment to Plesk 8.1, consult SWsoft Inc Sales team or Support team before doing the update.

To update Plesk 7.5 or later to Plesk 8.1 using network installer:

  1. Log in to your system as Administrator or another user with Administrator privileges.
  2. Make sure that you have the Plesk network installer ready. You can download Plesk network installer from SWsoft web site (http://www.swsoft.com).
  3. Extract the required .msi installer file into a folder of your choice. To extract the file, unpack the network installer executable file with WinRAR (http://www.rarlab.com/) in a folder. The required .msi installer file has a name like plesk_x.x.x_buildYYMMDD.HH.exe file, where x.x.x is the version number, YY is the two last digits of the year, MM is the month, DD is the day and HH is the hour when the build was created.
  4. Open the command line interface (Start > Run > cmd.exe).
  5. Run the following command to update your version of Plesk to 8.1, using network installer:

    msiexec /i <plesk.msi> /qb REINSTALLMODE=vomus REBOOT=R

    Use the actual .msi network installer file name the in place of <plesk.msi> variable.

  6. The installer will start updating your version of Plesk to Plesk 8.1. Note that this process will take some time.

To update Plesk 7.5 or later to Plesk 8.1 using web installer:

  1. Log in to your system as Administrator or another user with Administrator privileges.
  2. Make sure that you have the Plesk web installer ready. You can download Plesk web installer from SWsoft web site (http://www.swsoft.com).
  3. Open the command line interface (Start > Run > cmd.exe).
  4. Run the following command to update your version of Plesk to 8.1, using web installer:

    plesksetup.exe /qb

The installer will start updating your version of Plesk to Plesk 8.1. Note that this process will take some time.