One of customer had the Xentry error 2221-45 No access authorization when running Mercedes MB SD Connect C4 2016.07V Xentry diagnostic software. Here is the final solution provided by mbstarhsop.com engineer.
Problem:
（2221-45） No access authorization for XENTRY Diagnostic was found on the server. You must contact the User Help Disk.
Solution:
Browse to C:\Mercedes-Benz\Xentry\fusoko\eclipse\plugins, delete com.daimler_xentry.diagservice_1.6_0.2016.07181047 file.
Problem has been solved.
http://mbstarshop.blogspot.com/2016/07/how-to-solve-xentry-error-2221-45-no.html
how to solve Xentry error 2221-45 No access authorization?
原文：http://www.cnblogs.com/autolobd2/p/5694610.html