Failed To Start Service Veeamdeploysvc [NEW]

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When this service fails to start, it is usually due to permission blocks, network communication breakdowns, corrupt installation files, or conflicting software. Step-by-Step Troubleshooting Checklist

When this service fails to start, backup jobs freeze, updates stall, and communication between your central backup server and remote infrastructure breaks down.

You will typically encounter the Failed to start service veeamdeploysvc error in the following scenarios:

: Firewalls blocking Port 6160 or issues reaching the ADMIN$ share. failed to start service veeamdeploysvc

| | Description | Link | | :--- | :--- | :--- | | KB4456 | WDAC Supplemental Policy for Veeam Backup & Replication on Azure Stack HCI | kb4456 | | KB2263 | "Failed to start service ‘VeeamDeploySvc’ - The system cannot find the file specified" | kb2263 | | KB4393 | Kerberos Authentication and SPN Registration for Guest Processing | kb4393 | | KB4185 | "Access is Denied" when Adding a Windows Machine with a Local Account | kb4185 |

: The account used by the Veeam infrastructure must maintain local administrative privileges and full access to the target host's administrative shares.

In high-security, Active Directory environments, Veeam services require correct Service Principal Names (SPNs) to authenticate. If these are missing, authentication fails. This is a known issue ( kb4393 ) after upgrading to Veeam Backup & Replication 12 where the persistent guest processing agent fails to connect. Veeam attempts to connect to the VeeamDeploySvc but is rejected because the service lacks the necessary SPNs in Active Directory.

Corrupted DCOM/WMI can break the deployment service. This public link is valid for 7 days

Check the quarantine or block logs to see if Veeam files were flagged. Add exclusions for the main Veeam installation directory: C:\Program Files\Veeam\ C:\Program Files (x86)\Veeam\

The account used by Veeam to manage the target server must have local administrative privileges.

To fix this problem immediately, open an elevated command prompt on the target host and run the command , then cycle through the Edit Server Wizard in your console to automatically reinstall it. 🔍 Understanding VeeamDeploySvc

C:\Program Files\Veeam\Backup and Replication\Backup\Packages C:\Windows\Veeam\Backup VeeamDeploymentDll.dll and VeeamDeploymentSvc.exe Replace existing versions if prompted Once the files are moved to the target machine: Open an elevated Command Prompt on the target machine. Clear the old registration trace: sc delete veeamdeploysvc Navigate to C:\Windows\Veeam\Backup in File Explorer. Can’t copy the link right now

Ensure that TCP ports 135 , 445 , and 6160 (the default port for the installer service) are open and not blocked by hardware firewalls or Windows Defender Firewall.

: Open your core Veeam Backup & Replication Console . Navigate to your managed infrastructure list, select the host, run through the Edit Server Wizard , and hit finish. The backup server will automatically push a fresh, functioning copy of the installer service over port 6160. Method 2: Manual Binary Correction and Re-registration

As a test, switch the account to , apply the changes, and attempt to start the service. Step 3: Check for Port 6160 Conflicts