The saved object api output shows that they are not upgradeable. I think the windows agent install should be. the linux installs are still using the old 'enroll and elastic-agent run' commands.
https://kibana.endpoint.elastic.dev/api/saved_objects/_find?type=fleet-agents
here is the version currently:
edavis-mbp:kibana_elastic edavis$ git show -s 0dba45d247ab24b749c342718e98190d25a96577
Date: Mon Oct 12 20:21:04 2020 -0500
Agent will be from the same time frame build.... I can't ssh on to an Agent to get its version info currently

agent-upgradeable.json.txt

here is the siem-team repo code that does the install for windows, updated to use 'install' command:
https://github.com/elastic/siem-team/blob/master/cm/ansible/roles/deploy-agent/tasks/win-main.yml#L44
The saved object api output shows that they are not upgradeable. I think the windows agent install should be. the linux installs are still using the old 'enroll and elastic-agent run' commands.
https://kibana.endpoint.elastic.dev/api/saved_objects/_find?type=fleet-agents
here is the version currently:
edavis-mbp:kibana_elastic edavis$ git show -s 0dba45d247ab24b749c342718e98190d25a96577
Date: Mon Oct 12 20:21:04 2020 -0500
Agent will be from the same time frame build.... I can't ssh on to an Agent to get its version info currently

agent-upgradeable.json.txt

here is the siem-team repo code that does the install for windows, updated to use 'install' command:
https://github.com/elastic/siem-team/blob/master/cm/ansible/roles/deploy-agent/tasks/win-main.yml#L44