MailEnable webmail loads very slow

Refers to:

  • Plesk 12.0 for Windows
  • Plesk 12.5 for Windows


2016-11-16 13:20:39 UTC


2016-12-21 20:30:12 UTC


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MailEnable webmail loads very slow


MailEnable webmail loads very slow. Users are unable to list messages after logging in.

The following kind of messages can be found in Windows Event Viewer:

General: (MailEnable Authentication TD Provider error: 0) An error occured when accessing the resource: "C:\\Program Files (x86)\\Parallels\\Plesk\\Mail Servers\\Postoffices" as user "SERVER\\IME_ADMIN". The error reported was: (5) Access is denied.

Restoration of permissions using %plesk_dir%\\Mail Servers\\Mail Enable\\Bin\\MEInstaller.exe utility does not solve the issue.


User IME_ADMIN does not have enough privileges over %plesk_dir%\\Mail Servers\\Mail Enable\\Postoffices directory.


  1. Open Security Properties of %plesk_dir%\\Mail Servers\\Mail Enable\\Postoffices directory:
    Right-click on directory > Properties > Security > Edit

  2. Select user IME_ADMIN and grant him Full control:

  3. Restart MailEnable Postoffice Connector service.

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