Thanks lmiltchev,
Nice to meet you again, scottwilkerson
Many thanks you all, Nagios Supporter, follow your instrucstions, i found the problem with my NagiosXi server. This problem is caused by me
It looks like this:
Error: Service check command 'xxxxxxxxxxxxx' specified in service 'yyyyyyyyyyyyyy' for host 'zzzzzzzzzzzzzzz' not defined anywhere!
And i fixed this problem successfully. Now, i upgraded to nagiosxi version of 2.4b successfully.
This topic take you all lost a long time with me for support. I am really sorry about this and appreciate about your supports!
Again, thanks you all very much!
Trung Le Viet