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After upgrading Veeam ONE to version 13.0.x, the Veeam Analytics Service installation fails with the following error: Failed to install Veeam Analytics Service. Failed to establish connection between the Veeam ONE server and Veeam Analytics service. Operation timed out: 10. The failure can present in either of two ways: The Veeam Analytics Service initially completes installation, but is later marked as failed if the connection is not established within 24 hours. The installation fails immediately with a timeout, and the Veeam Analytics Service does not show as installed on the Veeam Backup & Replication server.
This issue may occur for one of two reasons: Cause 1: Connection Token Expired After 24 Hours The Veeam ONE server issues a 24-hour connection token when a Veeam Analytics Service deployment is initiated, either from the Veeam ONE Web Client (using the Install command) or by downloading the MSI for manual installation. If the service is not installed and connected within that window, the token expires and Veeam ONE rejects the subsequent connection attempt.
Solution 1: Manually Allow the Connection If the connection token has expired, the connection can be re-established manually from the Veeam ONE Web Client: Log in to the Veeam ONE Web Client. Navigate to ⚙ (Configuration) > Data Collection > Overview. Select the checkbox for the affected Veeam Enterprise Manager or Veeam Backup & Replication server. From the toolbar, click Veeam Analytics Service > Management > Connect. This allows the Veeam ONE server to accept the connection request despite the expired token. Once the connection is established, the token is refreshed automatically.
Veeam ONE 13 Connection Direction Change Starting in Veeam ONE 13, the Veeam Analytics Service communication model changed: In Veeam ONE 10.x through 12.x, the connection was initiated from the Veeam ONE server to the Veeam Backup & Replication server over TCP port 2805. In Veeam ONE 13, the connection is initiated from the Veeam Backup & Replication server to the Veeam ONE server over TCP port 2805. Traffic pattern in Veeam ONE 13: Source: Veeam Backup Server (ephemeral TCP port) Destination: Veeam ONE server (TCP port 2805, inbound) After upgrading from a pre-13 release, existing firewall rules configured for the previous direction no longer permit the required traffic. The new direction applies to all supported Veeam Backup & Replication versions and for both Windows-based deployments and the Veeam Software Appliance.
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