Guide: Troubleshooting “SUP0108: a deployment or update operation is already in progress” (best practices)

Summary

This guide helps diagnose and resolve the SUP0108 error, which indicates a deployment/update is already running. It covers causes, safe checks, step-by-step resolution, prevention, and monitoring. Assume a typical enterprise deployment system (CI/CD, orchestration, or device management) — adapt commands to your platform.

Action: Press and hold the power button for at least 30 seconds to drain residual power, then reconnect and restart.

In this article, we will explore the causes of the SUP0108 error, discuss best practices for avoiding it, and provide step-by-step solutions for resolving the issue.

docker service rm <service_name>
docker service create ... # (your creation command)

If the error persists after a cold boot, check the Dell Support Site to see if your specific iDRAC version requires a "step-up" update (installing a middle version before the latest) to fix certificate or signing issues. iDRAC 9 Firmware Upgrade issue - Server Fault

Environment Initialization: If the environment is currently being initialized or wiped, all other update operations are blocked. 3. How to Resolve It

Alternatively, hold the "i" button on the front of the server for about 16 seconds until the fans spin up.