Comtech EF Data VMS v3.12.x Vipersat - Manual (Page 47)

Chapter 2 - VMS Installation 2-7
MN/22156, rev 12 Prepare Server for VMS Installation
Figure 2-5 DEP tab
4. Select the Turn on DEP for essential Windows Programs and services
only radio button. If the CPU processor does not support DEP, this radio
button will be greyed out and unavailable.
5. Click the OK button to complete this procedure.
This action limits DEP to protecting only essential Windows programs without
interfering with any other applications.
Back Up VMS Database (Upgrade)
For VMS upgrades, it is recommended that the current VMS database be backed
up prior to installing the new version of VMS. This precaution will allow for the
current database to be restored in the event that the new install fails.
Note: This database backup can only be restored on the current VMS version.
It is not compatible with the new VMS version. NOTE