How to save/recover the Dial-up connection in Windows Vista?

Please refer to the following contents

About how to save/recover the Dial-up connection, please refer to the following steps.
■How to save the Dial-up connection
1.Click the Start button, and then click Computer.
2.Open the following folder:
C:\ProgramData\Microsoft\Network\Connections\Pbk folder
3. 
*The above folder ProgramData is a hidden folder.
About how to display the hidden folder, please refer to the following steps.
How to display all types of folders
4.Backup the rasphone.pbk file  in the Pbk folder.
When installing the Dial-up connection without receiving the permissions of connecting to the other users, the above folder will not display the rasphone.pbk file.
Before you backup the rasphone.pbk file, please open the following folder to backup.
C:\Users\(USER’S NAME)\AppData\Roaming\Microsoft\Network\Connections\Pbk Folder
*In Explorer, Users folder will display as Users folder.
5. 
■How to recover the Dial-up connection

•Copy the rasphone.pbk file which has been backed up to the original folder.
The primary folder is one of the following two folders:
oC:\ProgramData\Microsoft\Network\Connections\Pbk Folder
oC:\Users\(UCER’S Name)\AppData\Roaming\Microsoft\Network\Connections\Pbk Folder
Do copy the files to the folder where you have backed up.