Problem adding a template to many hosts

[schoeppi]

Hi,

I have cloned the original "Docker by Zabbix Agent2" template to "Local Docker by Zabbix agent 2" to perform some local changes. Now, if I link the template to a group of hosts, I get erros like this:

"Cannot inherit item with key "docker.kernel_mem_tcp.enabled" of template "Local Docker by Zabbix agent 2" to host "v113.xxx.de",
because an item with the same key is already inherited from template "Local Docker by Zabbix agent 2".

The original "Docker by Zabbix agent 2" template was linked to the group of hosts before.

I do understand that there is a key with the same name already linked to the host and that this is not alowed, but I do not understand why this happened.

Maybe it is not clear to me how to work with localy modified templates that have been copied / cloned from original template before. Isn't it right to

1. open the template configuration for the original template,
2. click the clone button,
3. enter a new name for the clone and maybe put the template in a seperate template group and
4. open the configuration for the cloned template, change items, discovery rules e.g.

to work with a cloned template? Is this not enough and do I have to perform more changes to work with a modified clone?

Thanks a lot for any hint!

[troffasky]

How did you unlink the original template from the hosts? If you just "Unlink" rather than "Unlink and clear" you will leave items behind on the host, which will then conflict.