Check Now Button

[heba]

Dears,

I used different ready made templates... and in some of them I can see that items has the check now button disabled ...Why was this done and how to enable the button ?

Thanks
Heba

[Hamardaban]

https://www.zabbix.com/documentation/current/manual/config/items/check_now

Read the documentation.
Understand the limitations.
Don't ask obvious questions.