Enabling or disabling the schema locking property for a map service results in the opposite behavior

Description

Enabling or disabling the schema locking property for a map service results in the opposite behavior of what is intended.

Cause

This is a known issue in ArcGIS for Server 10.1.

Workaround

1. Open ArcGIS for Desktop and navigate to the map service to be edited.
2. Right-click the map service and choose Service Properties.
3. Select the Parameters tab.
4. Click the Advanced button.
5. Enter a value of true or false for the schemaLockingEnabled property and click OK.
   
   • To edit the schema of the data, enter a value of true.
   
   • To lock the schema of the data, enter a value of false.
   
   
6. Click OK to save the edits to the map service and close the Service Editor.