HP SIM Mxdomainmanager.exe high CPU and RAMPublished: 14 November 2016 | Written by some jerk | Print | Email | Hits: 266 Re: HP SIM 6.3 - mxdomainmgr.exe high memory usage Hi, You may try the following work around: 1. On the Microsoft Windows CMS, in SNMP Service Properties, under the Security tab, deselect the Send Authentication trapcheckbox.2. Restart the SNMP and SIM services. Prev Next