If you cannot edit some of the JAVA parameters from ConfigTool, then you should try the following way to modifiy this kind of parameters easily…

Situation probably like this ;

You can change the parameters at the global level with this steps ;

1 – Start ConfigTool

2- Press the “Switch to configuration editor mode” button, you can see the following screen ;

On the “Display Configuration” page, go to below area and click the “Propertysheet properties”;

cluster_config –> system –> custom_global –> cfg –> services –> com. sap. security. core. ume. service –> Propertysheet properties

3 – Press the “Edit Mode” button and click the “YES” option for the “Switch to Edit Mode” popup information

4 – Press the “Edit the details of the selected node” button, you should see the following screen ;

5 – Double click the parameter which you want to change ;

6 – Press the “Apply Custom” buttom

7 – After your changes, click the “OK” button, “SAVE”

8 – Restart the AS JAVA

Thats it…