Search Issue Tracker
Fixed
Fixed in 6000.0.48f1
Votes
1
Found in
6000.0.48f1
6000.1.2f1
6000.2.0a10
Issue ID
UUM-104990
Regression
No
Licensing Client fails to launch when opening Unity Hub (ClientAlreadyLaunched - UnsupportedProtocol)
Reproduction steps:
1. Open the Unity Hub
2.Observe the Unity Hub
Expected result: Unity Hub opens
Actual result: Unity Hub fails to open
Reproducible with: 1.17.0
Reproducible on: Windows 10 (by the user), Windows 11(24H2) (by the user)
Notes:
-Not reproducible by CQA
-For this exact scenario, the following error lines should be present: {{Process exited with code null for pipe Unity-LicenseClient-USER}} , {{Failed to start Unity Hub, reason: LICENSING_CLIENT_CONNECTION_ERROR: Failed to establish a connection with the Licensing Client }} , {{Failed with ipc error type: UnsupportedProtocol}}
-A potential workaround involves performing a clean reinstallation of Unity Hub by first backing up the editors-v2.json file. Then, delete all files located in Users/[username]/Library/Application Support/UnityHub (for macOS users) or C:\Users\[username]\AppData\Roaming\UnityHub (for Windows users). Afterward, reinstall Unity Hub and restore the editors-v2.json file to its original location
Add comment
All about bugs
View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.
Latest issues
- Mono Windows Builds don't produce full log callstacks when generating logs
- AssetBundles fail to load when running in Built Players for Mobile Devices
- UI elements with text gets bigger and grey when Player window is moved to another screen with different resolution
- System name accepts multiline text but crops it on confirmation, duplicates input, and shrinks the field when empty
- UI element scale and position are wrong in project build when DRS is changed with HDR and Software Dynamic Resolution enabled
Resolution Note (fix version 6000.0.48f1):
This issue was outside of the Unity Editor, and users experiencing this issue should update to Unity Hub 3.15 where significant improvements have been made regarding the interactions with the licensing client.