https://community.sophos.com/sophos-xg-firewall/f/discussions/133805/v18-5-mr-2-locks-upI had switch back to v18.5 MR-1. Strange phenomenon with memory usage and eventually locks up after roughly two weeks. Then have to power cycle.en-USTelligent Community 12https://community.sophos.com/thread/493095?ContentTypeID=1Fri, 08 Apr 2022 20:53:59 GMT4be5eb7d-caa4-4ff5-8e60-8f9463545a35:4e09c586-4ead-4c06-89d3-e0fef2cec808rfcat_vk<p>Hi,</p> <p>which model XG are you using and I suggest you start a support case?</p> <p>Ian</p><div style="clear:both;"></div>