Comtech EF Data VMS v3.12.x Vipersat - Manual (Page 46)

Prepare Server for VMS Installation MN/22156, rev 12
2-6 VMS User Guide
Figure 2-3 System Control Panel
Figure 2-4 System Properties—Advanced tab
3. In the Performance box on the Advanced tab, click the Settings button,
then click the Data Execution Prevention tab to display the dialog shown in
figure 2-5.