Comtech EF Data VMS v3.12.x Vipersat - Manual (Page 525)

Appendix G - VMS Client Users G-9
MN/22156, rev 12 Server Configuration
Open the Security tab and ensure that the Customize radio buttons are
selected, as shown in figure G-12.
Figure G-12 VMS DCOM Security dialog
Edit the Launch and Activation Permissions to add the “VMS Users” group.
Check all of the Allow boxes, as shown in figure G-13, and click OK.
Repeat this procedure for Access Permissions (figure G-14).