This guide provides a complete breakdown of the error, covering its root causes, step-by-step troubleshooting, and proven solutions to get your Veeam infrastructure back on track.
In the Veeam console, go to Backup Infrastructure > Managed Servers . Right-click the affected server, choose Properties , and click through the wizard until it finishes. This forces VBR to reinstall the service. 2. Manual File Replacement
Navigate to the default logging directory: C:\ProgramData\Veeam\Backup\
Create a new DWORD (32-bit) value named LocalAccountTokenFilterPolicy and set its value to 1 . Restart the server. 2. Verify Network Ports and Firewall Settings failed to start service veeamdeploysvc
| Scenario | Likely Fix | |----------|-------------| | After Windows Update | Reboot, then repair install | | On Hyper-V Server (free) | Install full Windows feature Hyper-V Management Tools | | After moving Veeam DB to another SQL instance | Re-run Veeam configuration wizard | | Cloned VM with same SID | Sysprep or reinstall Veeam components | | Insufficient disk space on %SystemDrive% | Free >500 MB for service temp files |
to ensure once your service is running, your data is truly safe.
The error typically indicates that the Veeam Installer Service is unable to initialize on a managed server (such as a Hyper-V host, proxy, or repository) due to a version mismatch, file corruption, or permission issues . The Veeam Installer Service ( VeeamDeploySvccap V e e a m cap D e p l o y cap S v c This guide provides a complete breakdown of the
Issues with administrative rights, disabled
On the main Veeam backup server, review the deployment logs located at: C:\ProgramData\Veeam\Backup\Utils\ or C:\ProgramData\Veeam\Backup\ \ Look for log files prefixed with Agent.Source or DeploySvc to view the raw execution transcript. Conclusion
Review Windows Event Viewer > Application and System logs for blocked files. This forces VBR to reinstall the service
Look in:
: Manually copy VeeamDeploymentDll.dll and VeeamDeploymentSvc.exe from the Veeam server (typically in \Packages ) to the target host's C:\Windows\Veeam\Backup folder to resolve version mismatches. Common Root Causes