Zabbix Agent 4.4 for Windows

[coffeejunkie]

Hi Guys,

In version 3.4 I was using
HostnameItem=system.run[powershell -NonInteractive "[System.Net.Dns]::GetHostByName(($env:computerName)).Hostname.toLo wer()"]

go get the FQDN of the system for autoregistration.
In Windows Agent Version 4.4 the same command is not working anymore. It drops an
zabbix_agentd.exe [10812]: Warning: failed to get system hostname from [system.run[powershell -NonInteractive "[System.Net.Dns]::GetHostByName(($env:computerName)).Hostname.toLo wer()"]])
zabbix_agentd.exe [10812]: ERROR: "Hostname" configuration parameter is not defined

It looks like the system.run command is broken, even though it is documented here: https://www.zabbix.com/documentation...bix_agentd_win
Is there another trick to get the FQDN for autoregistration?
BTW: manual configuration is not possible. The OS is automatically deployed from a 3rd party software.

// coffeejunkie

[Markku]

Hi, since I'm not very familiar with powershell scripts, can you clarify, how that command should work?

PS [hostname: T540P] C:\> powershell -NonInteractive "[System.Net.Dns]::GetHostByName(($env:computerName)).Hostname.toLower()"
T540P : The term 'T540P' is not recognized as the name of a cmdlet, function, script file, or operable program. Check t
he spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:34
+ [System.Net.Dns]::GetHostByName((T540P)).Hostname.toLower()
+                                  ~~~~~
    + CategoryInfo          : ObjectNotFound: (T540P:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException

PS [hostname: T540P] C:\>

Edit: Ah, I see, I should run it in cmd:

C:\>powershell -NonInteractive "[System.Net.Dns]::GetHostByName(($env:computerName)).Hostname.toLower()"
t540p

C:\>

Markku

[Markku]

For me it looks like this (= just like you described, works with 3.4.x, not working in 4.4.4), with the same HostnameItem setting on both files:

C:\zabbix>bin\win64\zabbix_agentd.exe --config conf\zabbix_agentd.win.conf -f
Starting Zabbix Agent [windows8]. Zabbix 3.4.0 (revision 71462).
Press Ctrl+C to exit.


C:\zabbix>cd "\Program Files\Zabbix Agent"

C:\Program Files\Zabbix Agent>zabbix_agentd.exe --config zabbix_agentd.conf -f
zabbix_agentd.exe [3116]: Warning: failed to get system hostname from [system.run[powershell -NonInteractive "[System.Net.Dns]::GetHostByName(($env:computerName)).Hostname.toLower()"]])
zabbix_agentd.exe [3116]: ERROR: "Hostname" configuration parameter is not defined

C:\Program Files\Zabbix Agent>zabbix_agentd.exe --version
zabbix_agentd Win64 (service) (Zabbix) 4.4.4

I believe you could open a bug ticket in https://support.zabbix.com/ to get a definitive answer if this is by design for some reason.

Markku

[coffeejunkie]

Thanks folks,

created an issue:

https://support.zabbix.com/browse/ZBX-17249

[Markku]

I don't know, but it does not provide the same output as the original command. coffeejunkie can of course comment on the requirements.

Adding -command did not make any difference here.

Markku

[Markku]

There is an explicit "." (dot), so that is printed in any case. In the original command it is not printed unless needed (see the outputs in #2 and #3, they are without dots). Maybe that's important, maybe not, but different output anyway.

Markku