RESOLUTION
To export the SSL certificate, follow the next steps:1. Run "mmc.exe" from Start->Run menu;
2. Open "File"->"Add/Remove Snap-in";
3. Click on "Add..." button, select "Certificates" option, click "Add", select "Computer account"; Next; Finish;
4. Close "Add standalone snap-in"; close "Add/Remove snap-in" by "Ok" button;
5. Open "Personal" folder and find corresponding certificate;
6. Right click on "Certificates", select "All tasks"->"Export";
7. On "Certificate export wizard" click Next, select "Yes, export the private key", select "Personal Information Exchange" format, click Next, enter password, select file, click Finish.
8. Transfer certificate file to the new WinBox and import it.