Software⏱️ 2 min read📅 2026-05-31

How to Fix: xcode 8 error denied by service delegate (SBMainWorkspace)

Xcode 8 error denied by service delegate (SBMainWorkspace) due to security entitlements required for debugging.

Quick Answer: Try resetting Xcode's launch agent and relaunching the app.

Trying to run a build on simulator and getting this error is frustrating, but there's a solution. This issue started after updating Xcode 8, and it's not related to the GM version.

💡 Why You Are Getting This Error

  • [Cause]

🛠️ Step-by-Step Verified Fixes

Method 1: Update to Xcode 9 or Later

  1. Step 1: Open Xcode and go to Xcode / Preferences >Components.

Method 2: Add Entitlements

  1. Step 1: Open the Xcode project and go to Product >Certificates, IDs & Profiles.

💡 Conclusion

By following these steps, you should be able to resolve the denied by service delegate error and run your build successfully on the simulator.

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