To enable Grid visualization:

From the Grid tab, select the Grid Manager tab -> Members tab, and then click Grid Properties -> Edit from the Toolbar.
In the Grid Properties editor, click the Advanced tab.
Select the Show Grid Visualization check box.
Click Save to save the changes. The Visualization tab appears and displays a graphical representation of the Grid. This may take a long time depending on the number of members you have in the Grid. When you deselect this check box, you disable Grid visualization for all users.

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