5 - 16 MC9500-K Mobile Computer Integrator Guide
PAP CHAP GPRS Authentication
The GPRS authentication is set to use CHAP and then PAP. The authentication can be set to use only CHAP or
only PAP.
Using a registry editor, navigate to the following:
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\RIL]
Create the following key:
"SetGPRSAuthentication"=dword: 0
where:
dword:1 = PAP only.
dword:2 = CHAP only.
dword:3 = CHAP first, then PAP (default)
If this registry key is not set, the CHAP first, then PAP setting will be used.