About policies for teams in your enterprise
You can enforce policies to control how members of your enterprise on GitHub Enterprise Server manage teams. You can also allow organization owners to manage policies for teams. For more information, see "About teams."
Enforcing a policy for team discussions
Across all organizations owned by your enterprise, you can enable or disable team discussions, or allow owners to administer the setting on the organization level. For more information, see "About team discussions."
In the top-right corner of GitHub Enterprise Server, click your profile photo, then click Enterprise settings.
In the enterprise sidebar, click Policies.
In the left sidebar, click Teams.
Under "Team discussions", review the information about changing the setting. Optionally, to view the current configuration for all organizations in the enterprise account before you change the setting, click View your organizations' current configurations.
Under "Team discussions", use the drop-down menu and choose a policy.