Mesh Agent Fails to Download During Tactical RMM Agent Installation

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Server Info

OS: Ubuntu 22.04 LTS

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Browser: Google Chrome (latest version)

RMM Version: 1.3.1 (as shown in the top left of the web UI)

Installation Method

Standard

Agent Info

Agent Version: Unable to install (Mesh agent download fails)

Agent OS: Windows 10 Pro (22H2)

Describe the Bug

When installing the Tactical RMM agent, the installation fails with an error message indicating that the Mesh agent cannot be downloaded from the RMM server.

To Reproduce

Go to Agents → Download Agent Installer in Tactical RMM web UI

Generate and run the Windows installer

The agent setup begins but fails when attempting to download and install the Mesh agent

Error: “Unable to download Mesh agent from RMM”

Expected Behavior

The Tactical RMM agent installer should automatically download and install the MeshCentral agent without any manual input or errors.

Screenshots

(Attach screenshot of the error message shown during the agent installation.)

Additional Context

Domain used: caledonrmm.com

MeshCentral subdomain: mesh.caledonrmm.com

Mesh username: tactical

Token configured in settings.py under MESH_TOKEN_KEY

All services (rmm, celery, nats, meshcentral) restarted successfully

Verified that https://mesh.caledonrmm.com/meshagents is reachable in a browser

Would you like me to also add a short “possible cause and troubleshooting done so far” section (that helps them reply faster)?