I want to upgrade the DT server version from 7.0 to 7.2, but I want to clarify about the requirement between Server, Collector, and Agent version.
All agents version still 6.0, and the Collector version is 6.0 too. But, when I upgrade DT server version from 7.0 to 7.2, is it possible ? Are the agents still connected when I finished migration from 7.0 to 7.2 ? I worried the agents connection loss, and I can't perform restart the agents because some applications are connected to Dynatrace is critical application.
Please suggest me to my plan upgrade
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Hello @Muhammad N.
Although certain version combinations may be compatible, it is strongly advised for all users to upgrade all components as soon as possible to the same version as the server.
Have a look at the below link.
As Babar said, your collector and agents will still work. This is because it can be situation that for some reason your application has to work for example on 6.0 or 6.5 version of agent. In such case you can leave collector on such version (for example only one) and monitoring will still work.
It is recommended to upgrade collectors and agents (if possible) to version 7.2. As well it is worth to consider switch from classic to AppMon agents which are based on OneAgent binaries. AppMon agents communicates witch collectors via rest not tcp ip so different ports are used (https://www.dynatrace.com/support/doc/appmon/installation/set-up-communication-connections/). You have new approach of application instrumentation with less overhead. Collectors as well needs less resources because then they are working only as proxy.
Thank you for your response, I think I want to upgrade the server version first. I can't upgrade Agent and collector because too much agent with version 6.0, all of agents are critical application, so there are impossible to restart agent in the near future, except there is a deployment activity.