Suppose that you are the system administrator of your company, and you need to lock out the system before upgrading or updating the existing Acumatica ERP application instance to the next version.
In this activity, you will schedule the lockout of the Acumatica ERP instance before its upgrade or update.
Before you begin performing this activity, make sure that you have completed the Instance Deployment: To Deploy an Instance with Demo Data or Instance Deployment: To Deploy an Out-of-the-Box Instance prerequisite activity.
To schedule the Acumatica ERP lockout, do the following: