Hi Sir, Nagios is running in linux, if that is what you are asking. [root@nagiosxi ~]# uname -mrs Linux 2.6.32-431.el6.x86_64 x86_64 Also, there are other plug-ins running using nrpe and they are working fine, I don't know if the unknown uid 4294967295 is having issues accessing dsmadmc, which is pa...