Servers show with a red X in statistics.
Clicking on Statistics within the Exchange Data portion of the tool shows servers with a red X.
A new license was applied because the old one expired, but the server configuration has not been updated.
-Expand the Source Exchange 200x Organization to the server with the red X,
-Right Click the server and Click Properties,
-Click OK to send new config.ini to the server this will refresh the license information.
The Statistics agent will refresh after some time and recognize the new license is applied. The red X will disappear after some time.
There are two types of red X which can be seen. A small red X indicates that the server has been disabled from statistics collection. To re-enable it, right click on the server and select Enable Statistic.