Operational Defect Database

BugZero found this defect 3813 days ago.

Veeam | kb1828

WAN Accelerator Fails to Install

Last update date:

7/6/2023

Affected products:

Veeam Backup & Replication

Affected releases:

8.0

Fixed releases:

No fixed releases provided.

Description:

Challenge

When creating a new WAN Accelerator or reconfiguring an existing WAN Accelerator, the installation of the WAN Accelerator package fails with the error: Error    Installing package WAN Accelerator Error: Error 1920.Service Veeam WAN Accelerator Service (VeeamWANSvc) failed to start.  Verify that you have sufficient privileges to start system services.

Cause

This error occurs because the Veeam WAN Acclerator is unable to be started after being installed on the remote machine. This article specifically documents a situation in which the WAN Accelerator path settings stored in the registry point to a drive path that is no longer valid, causing the service to fail to start.

Solution

Verify The Issue There are many reasons why a service may fail to start and display "Error 1920." As such, the first step is verifying that the service failed to start due to an invalid path. Connect to the machine that is failing to be added/reconfigured as a WAN Accelerator. Open the Veeam WAN Accelerator Service log:C:\ProgramData\Veeam\Backup\Svc.VeeamWANSvc.log Go to the end of the file and search upward for the error: The system cannot find the path specified: In most cases, the error will be readily visible near the end of the log, as the WAN Accelerator service will dump the error that prevented it from starting as its last action before it terminates.Example: srv      | RootFolder = D:\VeeamWAN srv      | SendFilesPath = D:\VeeamWAN\Send srv      | RecvFilesPath = D:\VeeamWAN\Recv srv      | EnablePerformanceMode = false srv      | ERR |Fatal error srv      | >>  |boost::filesystem::create_directories: The system cannot find the path specified: "D:\" srv      | >>  |Unable to apply settings. See log for details. srv      | >>  |An exception was thrown from thread [11612]. srv      | Stopping service... If the path error was found, proceed to the next section.

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