Win7 can not build remote connection management service how to do

In Windows 7, connect broadband, sometimes found unable to create, said that can not start remote connection management service, error code 711, this What is the problem? How to solve it?
To solve this problem, we need to start the Remote Access Connection Manager with Network Connections and Telephony services. We can start the service in two ways:
Startup method 1: Open the “Start->Run” dialog box at the bottom left of the Windows system, enter services.msc in the dialog box, and in the pop-up service window, double-click Remote. Access Connection Manager, Network Connections, Telephony, and start these three services.
●Re-open related services
Startup method 2: Create a new text file (suffixed with .txt) and copy the following contents:
@echo Open Easy2game VPN Execution environment necessary system service
@pause
sc config TapiSrv start= AUTO
sc config Netman start= AUTO
sc config RasMan start= AUTO
Net start TapiSrv
Net start RasMan
Net start Netman
@pause
Then click menu->File->Save as; File Type Find All Files>; File Name“Service.bat”; Save and double-click "Service.bat" to complete system service settings .