SOLUTION 

Can use a valid certificate ,automatically create offline accounts,useful for working with Monaco,You can create a 'no username ,no password & much more.....

 SOLUTION 

IF you wanted Supplier/Production/Development Just Update the Full Zenzefi given in the below link and replace it in your installed Zenzefi folder. 

 SOLUTION 

For newer cars where without Zenzefi it's not possible to use DTS or any other services repair. 

 SOLUTION 

This tool is very easy to use and gives you access to functions like Xentry Diagnosis and DTS9 programming on W223/206/213/167 DOIP vehicles, etc.