Database backups, website files and mail content included on Plesk backups are not being compressed

Connect to the server via RDP

Start a command prompt as Administrator

Switch to PowerShell:

C:\> powershell

Download the file PPPM-11257_PleskObsidian_Windows.zip to the Desktop:

PS C:\> [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-WebRequest -Uri "https://support.plesk.com/hc/en-us/article_attachments/360006579819/PPPM-11257_PleskObsidian_Windows.zip" -OutFile "$HOME\Desktop\PPPM-11257_PleskObsidian_Windows.zip"

Unzip the content of the file PPPM-11257_PleskObsidian_Windows.zip:

Note: If the Expand-Archive PowerShell command fails, extract the file PPPM-11257_PleskObsidian_Windows.zip manually

PS C:\> Expand-Archive -path "$HOME\Desktop\PPPM-11257_PleskObsidian_Windows.zip" -destinationpath "$HOME\Desktop\PPPM-11257_PleskObsidian_Windows"

Back up the existing %plesk_bin64%\pmm-ras.exe, %plesk_bin64%\pmmarchiver.dll, %plesk_bin64%\psarepository.dll and %plesk_dir%\admin\plib\backup\Agent\SizeCalculator.php files by running the following commands:

PS C:\> Rename-Item -Path "$env:plesk_bin64\pmm-ras.exe" -NewName "pmm-ras.exe.backup"
PS C:\> Rename-Item -Path "$env:plesk_bin64\pmmarchiver.dll" -NewName "pmmarchiver.dll.backup"
PS C:\> Rename-Item -Path "$env:plesk_bin64\psarepository.dll" -NewName "psarepository.dll.backup"
PS C:\> Rename-Item -Path "$env:plesk_dir\admin\plib\backup\Agent\SizeCalculator.php" -NewName "SizeCalculator.php.backup"

Place the new pmm-ras.exe, pmmarchiver.dll, psarepository.dll and SizeCalculator.php files to the respective directory by running the following commands:

PS C:\> Move-Item -Path "$HOME\Desktop\PPPM-11257_PleskObsidian_Windows\pmm-ras.exe" -Destination "$env:plesk_bin64\pmm-ras.exe"
PS C:\> Move-Item -Path "$HOME\Desktop\PPPM-11257_PleskObsidian_Windows\pmmarchiver.dll" -Destination "$env:plesk_bin64\pmmarchiver.dll"
PS C:\> Move-Item -Path "$HOME\Desktop\PPPM-11257_PleskObsidian_Windows\psarepository.dll" -Destination "$env:plesk_bin64\psarepository.dll"
PS C:\> Move-Item -Path "$HOME\Desktop\PPPM-11257_PleskObsidian_Windows\SizeCalculator.php" -Destination "$env:plesk_dir\admin\plib\backup\Agent\SizeCalculator.php"

Open Plesk Reconfigurator utility:

PS C:\> & "$env:plesk_bin\reconfigurator.exe"

Go to Repair Plesk Installation > Select only the Plesk File Security option and click on Check:

Connect to the server via RDP

Download the file PPPM-11257_PleskObsidian_Windows.zip

Unzip the content of the file PPPM-11257_PleskObsidian_Windows.zip

Back up the following files:

• %plesk_bin64%\pmm-ras.exe

• %plesk_bin64%\pmmarchiver.dll

• %plesk_bin64%\psarepository.dll

• %plesk_dir%\admin\plib\backup\Agent\SizeCalculator.php

Place the new pmm-ras.exe, pmmarchiver.dll and psarepository.dll files extracted in Step 3 to the %plesk_bin64% folder.

Place the new SizeCalculator.php file extracted in Step 3 to the %plesk_dir%\admin\plib\backup\Agent\ folder.

Open Plesk Reconfigurator utility going to the Windows Start menu, select All Programs > Plesk > Plesk Reconfigurator

Go to Repair Plesk Installation > Select only the Plesk File Security option and click on Check: