How to Fix MB SD C4 HHT Internal Fault Code 10766?

Here is the working solution to Mercedes-Benz MB Star diagnostic SD Connect C4 DoIP HHT-WIN software communication error: ‘Internal fault Diagnosis Multiplexer Code 10766’.

Solution:

1). Find and run Hyper-V manger in Windows Administrative Tools

2) Select Virtual Switch Manager

3). Select Ether and press OK

4). Select your external network connection type

5). Open Network & Internet Settings

6) Select Ethernet- Change adapter options

7). Select vEtherent and Properties

8) Double click Internet Protocol Version 4 (TCP/IPv4) and press OK to save

9) Go to IP address setting.

Set IP address as following

IP address: 172.29.127.124

Subnet mask: 255.255.0.0

Save setting.

Now MB SD Connect C4 HHT-WIN software should be working fine.