How to Solve VXDIAG Benz Xentry ‘No Access Authorization Code’?

As titled, here comes the working solution to vxdiag benz c6/vcx se benz xentry hdd or 2tb full hdd Xentry software ‘No access authorization code! Contact User Help Desk’ problem.

Quick Solution:

Open TOOLS folder on the desktop

Run configassist file, close the file, then run Xentry again.

If it is not working and reports another ‘Unable to access service’ error, follow the steps below to start configassist file manually.

Run This PC
Right-click Manage-> Computer Management-> Services and Applications

Locate and start Daimler ConfigAssist Service File.

Run Xentry again.