SymptomsParallels Panel 8.6 is installed on Windows 2008 x64.
Parallels Panel changes the PHP handler in a domain web.config file from the FastCgiModule to CgiModule mode when running operations with web directories.
Resolution1. It is necessary to install the latest Microsoft Visual C++ 2005 Redistributable Package (see this Microsoft article).
2. Download the attachment and place the files in this order:
a) Websrvmng.exe should be placed in the %plesk_bin% folder.
b) IIS7ClassLib.dll should be placed in the %windir%\SysWow64 folder.
c) IIS7ClassLibProxy.dll should be placed in the %windir%\SysWow64 folder.
Refer to the http://kb.sp.parallels.com/en/1802 article about the hotfix installation procedure.
3. It is necessary to restart the plesksrv and PleskControlPanel services. Using the command-line interface, it can be done with the following commands:
net stop PleskControlPanel
net stop plesksrv
net start plesksrv
net start PleskControlPanle
If some additional dependent services were stopped, it is necessary start them too. For example, the Plesk PopPass Service depends on the plesksrv one. To start the PopPass Service, the following command can be used:
net start poppassd
4. Finally, the following command should be executed to update the domains' configuration: