I am working to implement nagios with check_mk and have most things working. I am stumped with one odd thing; I just installed the Windows client on a server 2008 R2 x64. I have opened the 6556 tcp port and I am getting everything into Nagios except for some reason Nagios insists it is down. I am getting "rta nan, lost 100% ".
Anyone have some idea of what I missed?
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