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Chapter 11 275
Managing SNAplus2 Clients
Managing Win16 Clients
Managing Win16 Clients
SNAplus2 enables machines running Microsoft Windows 3.1 and
Windows for Workgroups 3.11 to act as clients in the SNAplus2 domain.
The SNAplus2 client software includes API libraries that are fully
compatible with Microsoft SNA Server and the Windows Open Systems
Architecture (WOSA), enabling applications written for SNA Server to
run unchanged on the SNAplus2 Win16 client.
SNAplus2 supports the following WOSA APIs:
• Windows APPC
• Windows CPI-C
• Windows LUA
• Windows CSV
• 3270 Emulator Interface Specification
For more information about Windows SNA APIs, see the documentation
provided with Microsoft SNA Server.
SNA network information, and other information required by Win16
clients, is held in the sna.ini file.
On a Win16 client, the component that handles access to SNAplus2
servers is the network access process (NAP). The NAP must be enabled
before you can use SNAplus2 applications or emulation programs on the
client. For more information, see “Enabling a Win16 Client”.
When the NAP is enabled, the client contacts a server running SNAplus2
over the TCP/IP network in order to access SNAplus2 features. You can
optionally set up SNAplus2 servers to enforce password checking for
Win16 clients, so that the client user must enter the correct password
when enabling the NAP in order to gain access to the server. For more
information, see “Win16 Client Security”.
The operation of the client is also controlled by the following files:
sna.ini
Win16 client initialization file. This file contains
information about the following:
• Configuration information specific to Win16 clients