In some environments, the Exchange server response times can be very slow due to network connectivity or performance issues.
This is more often the case when dealing with hosted Exchange services.
Extending or Reducing the Timeout of Each Exchange Web Service Request
Two timeouts can be adjusted:
The way to modify the timeout used for anything except resolving the mailbox during authentication depends on the version of Riva
In Riva 3.0.58 or higher:
In Riva 3.0.57 or earlier:
Article ID: 315
Last updated: 20 Jul, 2020
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Riva On-Premise - CRM Sync -> Manage Riva On-Premise (Admin Guides) -> Troubleshooting (Includes Monitoring) -> Resolving Exchange Connection Issues