Changing the Maintenance Plant in a Functional Location 
Prerequisites
In rare cases, such as for example, complete restructuring within a company or dismantling and rebuilding an entire system, it may be necessary to change the maintenance plant of a functional location.

Consider carefully whether this change is really necessary. This is a change with far-reaching consequences:
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The system automatically clears all fields that are dependent on the maintenance plant for this master record and all the dependent master records. |
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The maintenance plant change can cause a company code change, which means that the system will clear all fields dependent on the company code for this master record and all the dependent master records. |
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The company code change can produce a change in the controlling area, which means that the system clears all fields dependent on the controlling area. |
Procedure
The dialog box Change Maintenance Plant is displayed, in which you can enter the new maintenance plant.
The system issues a warning of the consequences of changing the maintenance plant. If you really do want to change the maintenance plant, choose Continue.

If you want to change the data origin for the field Maintenance plant, you must call up this function in the dialog box Change Maintenance Plant.