Article ID: 124050, created on Dec 26, 2014, last review on Oct 13, 2016

  • Applies to:
  • Plesk 12.5 for Linux
  • Plesk 12.0 for Linux
  • Plesk 11.5 for Linux


Unable log in to webmail. Horde webmail reloads login page when trying to log in. In error log /var/log/psa-horde/psa-horde.log, the following error can be found:

    HORDE User is not authorized for horde [pid 20939 on line 267 of "/usr/share/psa-pear/pear/php/Horde/Registry.php"

The following premissions are set on session directory:

# ls -ld /var/ /var/lib/ /var/lib/php/ /var/lib/php/session
drwxr-xr-x 26 root root 4.0K Jun 17 20:56 /var/
drwxr-xr-x 36 root root 4.0K Jun 17 20:40 /var/lib/
drwxr-xr-x  4 root root 4.0K Aug 23 14:03 /var/lib/php/
drwxrwx---  2 root root  36K Aug 23 14:03 /var/lib/php/session


The issue casued by incorrect permissions for /var/lib/php/session directory.


Correct the permission by following steps:

    # chmod 1733 /var/lib/php/session
    # ls -ld  /var/lib/php/session
    drwx-wx-wt  2 root root  36K Aug 23 14:03 /var/lib/php/session

Note: If session directory file size is larger than 1 MB, it is needed to recreate the directory.

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