For Riva installations that use the Novell Windows client and Novell GroupWise client, Data Execution Prevention (DEP) should be disabled.
Disable Data Execution Prevention (DEP) completely (Windows 2008)
Confirm that DEP has been disabled
To confirm that DEP has been disabled:
Article ID: 55
Last updated: 10 Oct, 2017
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Riva On-Premise - CRM Sync -> Manage Riva On-Premise (Admin Guides) -> Troubleshooting (Includes Monitoring) -> Resolving Microsoft Issues