External Client App (ECA) for Veeam Data Cloud — Adapting to New Salesforce Security Requirements

KB ID: 4812
Product: Veeam Data Cloud for Salesforce
Published: 2026-03-30
Last Modified: 2026-03-30
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Support Statement

Summary of Changes to Salesforce Security Protocols

Salesforce has introduced new security protocols for third-party applications accessing Salesforce organizations. This change affects all third-party products that integrate with Salesforce, requiring those vendors to transition from legacy Connected Apps to External Client Apps (ECAs). As part of this shift, organizations using external products for data backup must update their integrations to comply with these new requirements and prepare for the eventual deprecation of Connected Apps.

Introducing External Client App (ECA) for Veeam Data Cloud

To meet Salesforce’s new security requirements, Veeam will release the External Client App (ECA) for Veeam Data Cloud managed package in February 2026. This package enables customers to connect Veeam Data Cloud for Salesforce to their Salesforce organizations securely and in compliance with Salesforce standards. Upon installation, the package creates an External Client App with the necessary permissions for Veeam Data Cloud to perform backups. It also automates client key and secret rotation, simplifying ongoing security management. Installation of this package is required for each Salesforce organization that will be protected with Veeam Data Cloud before it can be added and backed up.

Existing Veeam Data Cloud for Salesforce Customers

For Salesforce organizations added to Veeam Data Cloud for Salesforce before the Salesforce Winter ’26 release, Salesforce will provide a transition period during which the Connected App can continue to be used. However, all customers are encouraged to transition to the External Client App (ECA) for Veeam Data Cloud managed package and re-authorize their Salesforce organizations in Veeam Data Cloud. This approach ensures integration with Salesforce’s latest security protocols and helps prevent any last-minute changes when the Connected App is eventually deprecated.

External Client App (ECA) for Veeam Data Cloud - Supported Salesforce Editions

The managed package is supported for:

  • Salesforce Enterprise
  • Unlimited
  • Developer
  • Professional editions
    Note: API access must be enabled for Professional editions.

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