Riva - Common Topics

• Salesforce OAuth Security Changes: 2026/27 Requirements and Riva Impact
• Riva Support for Salesforce Winter ’27
• Salesforce Retirement of the OAuth 2.0 Username-Password Flow for Connected Apps
• Salesforce OAuth Refresh Token Rotation
• Riva Support for Salesforce OAuth Security Requirements: PKCE and Refresh Token Rotation
• Riva Cloud Calendar Sync Configuration for Agentforce Life Sciences Cloud

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• Microsoft Graph: Unexpected HTML Response During RivaConfiguration Folder Lookup
• Microsoft Graph: "UnknownError" 504 While Polling Calendar Changes
• Microsoft Graph: "ErrorAccessDenied" 403 App-Only Access Policy Error
• Delete Mode Behaviour for Modern Microsoft Exchange Connector (Graph)
• Exchange Web Services (EWS) vs Microsoft Graph
• Calendar Invitation Mode for Modern Microsoft Exchange Connector (Graph)

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• Shared Mailbox Support in Riva
• Choosing the Right Riva Deployment Model: Cloud Shared, Cloud Dedicated, or On-Premise
• Limiting Mailbox and User Access with Application Permissions using RBAC

• Preparing for the November 1 2026 Canadian Time Zone Changes
• Resolving 403 Forbidden Errors with Microsoft Modern Exchange Connector (Graph) or EWS
• Riva Data Sync Error: [ErrorOccurrenceCrossingBoundary] Modified Occurrence Is Crossing or Overlapping Adjacent Occurrence