- Navigate to your enterprise account by visiting 
https://HOSTNAME/enterprises/ENTERPRISE-NAME, replacingHOSTNAMEwith your instance's hostname andENTERPRISE-NAMEwith your enterprise account's name. 
- 
In the enterprise account sidebar, click Settings.

 - 
Under " Settings", click Options.

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Under "Users can create organizations", use the drop-down menu and click Enabled or Disabled.
