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RAS User Account Administration
A Windows NT RAS server uses a user account database that contains information
about a set of user accounts. The information includes a user's RAS
privileges, which are a set of bit flags that determine how the RAS server responds when
the user calls to connect. The RAS server administration functions enable you
to locate the user account database, and to get and set the RAS privileges for
user accounts.
A Windows NT RAS server can be part of a Windows NT domain, or it can be a
stand-alone Windows NT Server or Workstation that is not part of a domain. For a
server that is part of a domain, the user account database is stored on the
Windows NT server that is the primary domain controller (PDC). A stand-alone server
stores its own local user account database. To get the name of the server that
stores the user account database used by a specified RAS server, you can call
the RasAdminGetUserAccountServer function. You can then use the name of the user account server in a call to
the NetQueryDisplayInformation function to enumerate the users in a user account database. You can also use
the server name in calls to the RasAdminUserGetInfo and RasAdminUserSetInfo functions to get and set the RAS privileges for a specified user account.
The RasAdminUserGetInfo and RasAdminUserSetInfo functions use the RAS_USER_0 structure to specify a user's RAS privileges and call-back phone number. The
RAS privileges indicate the following information:
- Whether the user can make a remote connection to the server or the domain to
which the server belongs.
- Whether the user can establish a connection through a call-back, in which the
RAS server hangs up and then calls back to the user to establish the
connection.
Each user account specifies one of the following flags to indicate the user's
call-back privilege.
Value
| Meaning
| RASPRIV_NoCallback
| The RAS server will not call back the user to establish a connection.
| RASPRIV_AdminSetCallback
| When the user calls, the RAS server hangs up and calls a preset call-back
phone number stored in the user account database. The szPhoneNumber member of the RAS_USER_0 structure contains the user's call-back phone number.
| RASPRIV_CallerSetCallback
| When the user calls, the RAS server provides the option of specifying a
call-back phone number. The user can also choose to connect immediately without a
call back. The szPhoneNumber member contains a default number that the user can override.
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