Hey Klaus, I think, since it already says "BE" in the Configuration Variable that it is for Backend Users. Klaus Hinum wrote: >> $TYPO3_CONF_VARS['BE']['sessionTimeout'] = {timeout in seconds}; I think you can read something about it in the Install Tool under "All Configuration". -- greetings, benni. -SDG- www.xnos.de // www.xnos.org