Microsoft KB Archive/173284

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Article ID: 173284

Article Last Modified on 2/26/2007


  • Microsoft SNA Server 2.0
  • Microsoft SNA Server 2.1
  • Microsoft SNA Server 3.0
  • Microsoft SNA Server 3.0 Service Pack 4
  • Microsoft SNA Server 4.0
  • Microsoft Host Integration Server 2000 Standard Edition

This article was previously published under Q173284


This article describes how to identify the version of SNA Server, SNA Server client, or Host Integration Server 2000 software that is being used. Windows NT and Windows 2000 version dependencies are also described below.

All releases of SNA Server and Host Integration Server 2000 include the Snaver.exe utility, which displays an internal version number within every 32-bit SNA Server .dll or .exe module. Other than Snaver, or the module file dates, you can also use the following information to determine the SNA Server or Host Integration Server 2000 version:

  • From SNA Server Admin (or SNA Server Manager), click About on the Help menu.

    WARNING: When running SNA Server 2.11 Admin on Windows NT 4.0, this displays "Beta Version 2.0.0" in error.
  • Examine the following registry key on the SNA Server:

    HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/SNA Server/CurrentVersion/SnaVersion: REG_SZ: version

    The version will indicate the major version and service pack level. For example:

    2.11 Service Pack 2
    3.0 Service Pack 1
    4.0 Service Pack 1
    5.0 (Host Integration Server 2000)

NOTE: Starting with SNA Server 3.0 Service Pack 2 (SP2), the Snaver.exe program displays the SnaVersion registry key also, to indicate the service pack level that has been applied. For example:

Microsoft SNA Server
Retail Version: 3.0 Service Pack 2

NOTE: When you use Host Integration Server 2000, Snaver displays the following version information:

Microsoft Host Integration Server 2000 Product Version: 5.0


The Snaver.exe program can be used to display the internal build number of any SNA Server Win32 DLL or EXE module. When starting Snaver, it also displays a version number itself, which are listed below.

NOTE: The modules updated in each service pack will not display a uniform internal build number. Service pack modules are built incrementally. To determine the SNA Server version based on the internal build number, only the Snaver.exe *or* Snadmod.dll build numbers should be viewed, as described below.

You can use the following table to identify which version of SNA Server or Host Integration Server 2000 you are using. The following versions of SNA Server or Host Integration Server 2000 have been released as of this writing:

   ----------     ------------   ----------------------------------
   SNA 2.0      10/24/1993
   SNA 2.10      9/3/1994
   SNA 2.11     6/1995 (NOTE 1)
   SNA 2.11 SP1     1/5/1996 (NOTE 1, NOTE 2, NOTE 5)
   SNA 2.11 SP2     2/21/1997 (NOTE 1, NOTE 4)
   SNA 3.0      11/17/1996
   SNA 3.0 SP1      4/9/1997 (NOTE 3)
   SNA 3.0 SP2      9/30/1997
   SNA 3.0 SP3      4/8/1998 (NOTE 6)
   SNA 3.0 SP4      5/14/1999
   SNA 4.0      11/20/1997
   SNA 4.0 SP1      5/22/1998
   SNA 4.0 SP2      1/9/1999
   SNA 4.0 SP3      8/19/1999
   SNA 4.0 SP4      11/6/2000
   HIS 2000      7/21/2000  

NOTE 1: If SNA Server 2.11 is running on Windows NT 4.0, the SNA Server Admin Help/About dialog incorrectly shows the SNA Server version as "Beta Version 2.0.0". To determine the actual SNA Server version, Snaver.exe should be run instead.

NOTE 2: SNA Server 2.11 was refreshed when 2.11 SP1 was released. Customers purchasing SNA Server 2.11 after January 1996 should have received the 2.11 SP1 version.

NOTE 3: SNA Server 3.0 was refreshed when 3.0 SP1 was released. Customers purchasing SNA Server 3.0 after April 1997 should have received the 3.0 SP1 version.

NOTE 4: SNA Server 2.11 SP2 did not update the Snaver.exe program, so the internal build number will be unchanged. To determine if 2.11 SP2 has been applied to the server, use Snaver to view the build number of the <snaroot>\system\Snadmod.dllL file, which will be

NOTE 5: The initial version of the SNA Server Windows 95 client software was made available December 1995. This version had several problems which caused TCP/IP session drops, which were fixed in the SNA Windows 95 client included in 2.11 SP1. The initial release of SNA Server 2.11 did not include an SNA Windows 95 client since the 2.11 release predated the Windows 95 general release in August 1995.

NOTE 6: SNA Server 3.0 SP3 included refreshed client code and setup programs for Windows NT and Windows 95. However, these refreshes incorrectly set the SNA client version information in the registry to "3.0 Service Pack 2". The build will still correctly indicate "Build 471" to reflect that SNA 3.0 SP3 is applied on the client computer.

NOTE 7: SNA Server 4.0 SP1 does not update the Snaver.exe program, so the internal build number displays as To determine if 4.0 SP1 has been applied to the server, use Snaver to view the build number of the <Snaroot>\System\Snadmod.dll file, which is

SNA Server and Windows NT version dependencies

SNA Server 2.0 - Server runs on Windows NT 3.1. SNA Server 2.0 hotfixes were required to run on Windows NT 3.5. This version is longer supported by Microsoft.

SNA Server 2.1 - Runs on either Windows NT 3.1 and 3.5. This version is no longer supported by Microsoft

SNA Server 2.11 - Server requires Windows NT 3.5 or greater (does not run on 3.1)

SNA Server 3.0 - Server requires Windows NT 3.51 or greater (does not run on 3.5)

SNA Server 4.0 - Server and Windows NT client requires Windows NT 4.0 Service Pack 3 or greater (setup prevents installation on NT 3.51 and earlier versions). When choosing to install COM Transaction Integrator (COMTI), OLE/DB Provider, or ODBC Driver for DB2, the system must be installed with Microsoft Internet Explorer 3.02 or later, and the Windows NT 4.0 Option Pack (COMTI requires Microsoft Transaction Server and optionally, IIS from the Option Pack). If COMTI, OLE/DB or ODBC are chosen, SNA Server automatically installs the Microsoft Data Access Components version (MSDAC) 1.5. See the SNA Server 4.0 release notes or Getting Started guide for specific software requirements and instructions.

SNA Server 4.0 SP3 - Runs on Windows NT 4.0 versions supported by SNA Server 4.0 and is supported to run on Windows 2000.

Host Integration Server 2000 and Windows NT or Windows 2000 Version Dependencies

See the Host Integration Server 2000 Readme.doc file for a complete description of dependencies for the various components. Host Integration Server is supported on Windows NT 4.0 SP6a Server, Windows 2000 Server, and Windows 2000 Professional (for development purposes). When you run Host Integration Server on Windows NT 4.0 SP6a, other prerequisites include:

  • Microsoft Data Access Components (MDAC) version 2.5 (or MDAC 2.6, which comes with SQL 2000)
  • Microsoft Management Console (MMC) version 1.2
  • Microsoft Software Installer (MSI) version 1.1
  • Windows Management Instrumentation (WMI) version 1.5
  • Active Directory Service Interfaces (ADSI) version 2.5

You cannot install the administrator and end-user clients on Windows NT Server 4.0 or Windows 2000 Server, though both are supported on Terminal Server. The administrator client is supported on Windows NT 4.0 SP6a Workstation (with the same MDAC, MMC, MSI, WMI and ADSI requirements as Host Integration Server) and Windows 2000 Professional.

The end-user client is supported on Windows 95, Windows 98, Windows NT 4.0 SP6a Workstation (with the same MDAC, MMC, MSI, WMI, ADSI requirements as Host Integration Server), and Windows 2000 Professional, as well as Terminal Server. When you run the end-user client on Windows 95, Windows 98 or Windows NT 4.0 SP6a Workstation, Microsoft Internet Explorer 5.01 and the Directory Service (DS) client are also required.

NOTE: MMC 1.2 is available on the Microsoft Platform SDK. The DS Client is available on the Windows 2000 Server CD-ROM. Windows NT 4.0 SP6a, Internet Explorer 5.01, MDAC 2.5, MSI 1.1, WMI 1.5 and ADSI 2.5 are available for public download on the following Microsoft Web site:

Additional query words: snaver snafaq

Keywords: kbenv kbinfo kbinterop kbnetwork KB173284