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                        Microsoft Windows 95 
                    Year 2000 Update README File
                         March 1999
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(c) Copyright Microsoft Corporation, 1999

Year 2000 Readiness Disclosure

This document provides complementary information to supplement the 
Microsoft Windows 95 documentation.

The Windows 95 Year 2000 Update provides Windows 95 updates to resolve 
known year 2000 issues with the Windows 95 operating systems. 

For current year 2000 information regarding Microsoft products, visit 
the Microsoft Web site at http://www.microsoft.com/year2000 or call 
1-888-MSFT-Y2K or contact your local Microsoft subsidiary. 
Such information is generally available to all Microsoft customers 
for the sole purpose of assisting the planning for the transition to 
the year 2000. This document contains the information currently 
available concerning the date-handling behavior of Microsoft's products 
and is subject to change, at any time, without notice. We therefore 
recommend that you continue to check the information on the Microsoft 
Year 2000 Web site regularly for any such changes.

NOTE: For the best readability, maximize the Notepad window. 

To print this file, open it in Notepad or another word processing 
program, and then click Print on the File menu.


======================================
CONTENTS
======================================
I.	Installation Notes
     	A. System Requirements
     	B. This Year 2000 Update is for Windows 95 only
     	C. Before You Install the Windows 95 Year 2000 Update
        D. Anti-virus software and Installing the Year 2000 Update

II.	Installation Instructions
     	A. Downloading and Extracting the Windows 95 Year 2000 Update
	B. Advanced Installation Options
	C. Additional Installation Options for Administrators
        D. Create a new Windows 95 Startup Disk

III.	Release Notes
     	A. If You Reinstall Windows 95
	B. Windows 95 Startup Disk
        C. Changes to Network Settings

IV. 	What Are the Year 2000 Issues in Windows 95?

V. 	Updating Microsoft Internet Explorer 4.0x

VI.   	Additional Issues
	A. Microsoft Jet Database Engine 3.0 and Microsoft OFFICE 95

VII.  	Microsoft Technical Support

=======================================


I. 	Installation Notes
---------------------------------------

A. System Requirements
    You need 10 MB free disk space to install the Windows 95 
    Year 2000 Update. The Installation of Internet Explorer Service pack 
    2 (not necessary for all systems), if selected, will require approximately 
    80 MB free disk space.

B. This Year 2000 Update is for Windows 95 only 
    This Update is not intended for use on and will not install on 
    computers running Windows 98, Windows NT, or Windows 2000. For 
    international versions of Windows 95, download and install the 
    appropriate language version for your location.

C. Before You Install the Windows 95 Year 2000 Update 
    Because the Windows 95 Year 2000 Update updates your system files 
    and requires you to restart your computer during installation, you 
    should save and close all open documents and close all programs 
    before installing the Update.

D. Anti-virus software and Installing the Year 2000 Update
    Because the Windows 95 Year 2000 Update updates some system files it 
    is recommended that you disable any anti-virus software that is 
    running. If you chose not to disable this software please accept the 
    changes made to the Command.com file when prompted by the anti-virus 
    software during installation of the Update or after restarting your 
    machine. 


II.	Installation Instructions
---------------------------------------
A. Downloading and Extracting the Windows 95 Year 2000 Update
    If you download the update from the Web site, be sure to read the 
    release notes completely before you extract and install the 
    Windows 95 Year 2000 Update. 

    After you download the Update, a compressed executable file 
    named W95y2k.exe appears on your hard drive. This executable 
    file contains the files you need to update your Windows 95 system 
    for the year 2000.

   To extract the file and install the year 2000 updates:
    1. Locate the W95y2k.exe file on your hard drive with 
       Windows Explorer
    2. Double click the file.
    3. Follow the instructions that appear on your screen.


B. Advanced Installation Options
    There are several installation options available to advanced users 
    when installing the Windows 95 Year 2000 Update. You can view these 
    options at any time by clicking Start, clicking Run, typing 
    W95y2k.exe /? and then clicking OK.

    To use the optional installation parameters below, type
    W95y2k.exe <option>

    /Q - Quiet mode (skips all user prompts) - Useful for silent 
             installations in batch setups.
    /T: <full path> - Specifies a temporary working folder.
    /C - Extract files only to the folder when used also with /T - 
            Allows an administrator to download files into a specified 
            location.
    /C: <cmd> - Override install command defined by author (see below)

C. Additional Installation Options for Administrators
    System Administrators or Advanced users may want to simplify the 
    process of rolling out this Year 2000 Update by utilizing the 
    following options.

The syntax for the following options is:
    
    W95y2k.exe /C:"y2ksetup <option>" 
    Note: you must include the quotes as indicated.

   /ii - Ignore Internet Explorer version, and only install core year 
         2000 files
   /ai - Always launch Internet Explorer 4.01 Service Pack 2 setup, and
          run silently
   /nr - Never reboot, without prompting.
   /ar - Always reboot, without prompting.



D. Create a new Windows 95 Startup Disk
    After the installation of the Windows 95 Year 2000 Update you 
    should create a new Emergency Startup Disk that will reflect the 
    changes made. 

    1. Insert original startup disk in Drive A 
    2. Click on Start / Programs / MS-DOS Prompt 
    3. Type "Sys a:" without the quotes (you will receive a message 
       stating system transferred when process is complete).

    If you do not have a startup disk, do the following: 
    1. Insert blank floppy into Drive A. 
    2. Click on Start / Settings / Control Panel.
    3. Double-click Add/Remove Programs
    4. Click on the Startup Disk tab 
    5. Click Create Disk… 


III. 	Release Notes
---------------------------------------

A. If You Reinstall Windows 95
    If you have to reinstall the Windows 95 operating system, you will 
    lose the benefits of the Windows 95 Year 2000 Update installation. 
    Any time you have to reinstall Windows 95, run the Windows 95 Year 
    2000 Update installation again.

B. Windows 95 Startup Disk
    Follow the instructions above in section II to create a new Startup 
    Disk (also called Emergency Boot Disk) after installing the Year 
    2000 Update.
   
    If you do not update your Startup Disk, using it to replace the boot 
    files on your system (using the SYS command) will install a version 
    of the system file Command.com which has not been updated for year 
    2000. You can run the Windows 95 Year 2000 Update again to install 
    the correct version of Command.com on your system. 

C. Changes to Network Settings
    This update installs a new year 2000-ready version of the file vdhcp.386. 
    This network system file will be overwritten by an older version from your 
    Windows 95 CD or disks if you make changes to your networking settings. 
    For instance, if you install a new network adaptor, setup an online service, 
    or make changes in Control Panel\Network, your original version of 
    vdhcp.386 will be copied to your system.
    If this occurs, run the Windows 95 Year 2000 Update again to install the 
    correct version of vdhcp.386.   


IV. 	What Are the Year 2000 Issues in Windows 95? 
-------------------------------------------------

The issues listed below are resolved by installing this Update.

1.  Find "File or Folders" Dialog (shell32.dll)
     The Date tab in Find "File or Folders" dialog displays the year 
     in YY format. This format results in incorrect displays for years 
     greater than 2000. For example, entering 03/20/2003 will 
     incorrectly display 03/20/C3. However this does not effect the 
     search. When searching for files changed within a certain date 
     range, enter a 2-digit or 4-digit date and the search will be 
     performed based on the dates entered. This file will be updated 
     only if you are running Windows 95 version 950 or 950a. This 
     issue does not exist in later Windows 95 versions.

2.  Windows File Manager (winfile.exe) 
     Windows File Manager does not display or sort dates beyond the 
     year 2000 correctly. When using Windows File Manager to view the 
     contents of folders, and you have selected to view "all file 
     details", the dates of files created in the year 2000 and beyond 
     may appear as follows:

     January 1st, 2000 would appear as 1/1/;1

     February 3rd, 2023 would appear as 2/3/>3

     March 5th, 2036 would appear as 3/5/=6

3.  Command Interpreter (command.com)
     The DATE command (internal to COMMAND.COM) does not 
     correctly handle 2-digit dates from 00-79. Entering 2-digit dates 
     within this range returns the error "Invalid Date".

4.  Date/Time Picker (comctl32.dll). 
     Previously, when you set your Regional Settings in the Control 
     Panel to handle years as two digits, the Date/Time Picker function 
     did not correctly reflect the date.  This update addresses that 
     issue.

5.  Phone Dialer applet (dialer.exe)
     The Show View Call Log option doesn't display the date properly 
     after successful completion of a telephone call. If the system 
     date is adjusted to the year 2000, the date is displayed as 100,
     101,102, and so on. 

     For example, in the year 2000, you make a call using the Dialer 
     applet. The log file created or appended to after the completion 
     of the phone connection displays the year portion of the call date 
     incorrectly, such as 101, 102, 103, and so on.

6.  Time and Date Control Panel applet  (timedate.cpl)
     When you select the date February 29 and change the year using the 
     up and down arrows in the Date/Time Properties dialog box, the 
     calendar displays February 29 every year, whether it's a leap year 
     or not. This is a display issue in the applet.

7.  DHCP Virtual Driver (vdhcp.386)
     Winipcfg /all - IP Leases obtained on or after 3/01/2000 are 
     reported as being obtained the previous day. The system date is 
     displayed properly but the DHCP client reports a date one day 
     prior. 

     For example, if you log on to a LAN after March 1, 2000, and you 
     run Winipcfg /all from Start\Run or Ipconfig /all from a DOS VM, 
     the lease obtained date is one day behind. After 2/28/2000, the 
     lease obtained date is one day behind the expected date.

8.  Microsoft Foundation Class Library file (mfc40.dll)
     After the year 2000, programs that use the built in operators of 
     the COleDateTime class may incorrectly parse a date . For example, 
     02/05/2000 may display as 2/05/100. Microsoft has modified the 
     COleDateTime class so that it is less sensitive to program 
     assumptions.

9.  DOS Xcopy (xcopy.exe, xcopy32.exe)
     When using xcopy in real mode with the optional parameter /D:date, 
     xcopy does not accept years entered as two digits, except for the 
     years 80 through 99. The message "Invalid date" is displayed. When
     using xcopy in protected mode (from within Windows) two-digit 
     dates are accepted but are recognized as being within the 20th 
     century (02/05/01 is seen as 02/05/1901).

10. Microsoft Run Time Library file (msvcrt40.dll) 
     Some applications that utilize this runtime library may behave 
     as if the current time is one hour earlier than the correct time 
     shown on the Windows clock. The problem will continue for one 
     week from April 1 through April 8, 2001, after which these 
     applications will shift to daylight savings time and again be in 
     sync with the operating system. The problem results from the fact 
     that April 1, 2001, falls on a Sunday, which confused a small 
     algorithm in the run time library file that checks for the start 
     of daylight savings time.This is not a year 2000 issue but rather 
     a daylight savings time issue. It could occur in the years 1973, 
     1979, 1984, 1990, 2001, 2007, 2012, 2018, 2029, and 2035. What is 
     common about these years is that April 1st falls on a Sunday.

11. OLE AUTOMATION (oleaut32.dll, olepro32.dll, stdole2.tlb, asycfilt.dll) 
     The Microsoft Automation library contains routines for interpreting 
     two digit years and provides a convenient way for applications to 
     create unambiguous (serial) dates. In Windows 95 the current two 
     digit year cutoff is 1999. This means that two digit years beginning 
     with 00 will be interpreted as being in the 20th century, i.e. 1/1/00 
     is converted to 1/1/1900
 

V.	Updating Microsoft Internet Explorer
------------------------------------------------------------

Windows 95 Year 2000 Update will check your system for Microsoft 
Internet Explorer.  If a version of Internet Explorer prior to version 
4.01 Service Pack 2 is detected you will see a message explaining that it 
is necessary to install Internet Explorer 4.01 Service Pack 2 to correct 
several minor year 2000 issues. If you are already using Internet Explorer 
version 4.01 Service Pack 2 or a later version of Internet Explorer, or if 
you do not use Microsoft Internet Explorer as your browser, the Internet 
Explorer components below do not need to be updated. 
For more information about Microsoft Internet Explorer and year 2000 go to
http:www.microsoft.com/ie 

Note: The download time for Internet Explorer 4.01 Service Pack 2 can be 
about 2 hours for a Standard installation, depending on the speed of your 
Internet connection.


If you are using a version of Internet Explorer prior to 4.01 Service 
Pack 2 the issues listed below are corrected by installing this Update.

For Internet Explorer 4.0X the following issues are addressed:

1. Microsoft Virtual Machine
    Year 2000 issues have been reported in connection with Java 
    virtual machines based on the Sun Microsystems Java Development 
    Kit versions 1.1.1 through 1.1.5. Applications written in Java 
    that make use of the java.txt.SimpleDateFormat class library may 
    handle 4-digit dates incorrectly.

    For example, if you have a Java applet or application that uses 
    SimpleDateFormat and you enter four digits for the year, the date 
    functions may truncate the year and use only the first two digits 
    (for example, 2000 might become 20).

2. Microsoft Wallet (actpmnt.ocx)
    When entering credit card information in versions of Microsoft 
    Wallet earlier than version 2.1.1383, you must enter the month, 
    day, and year for expiration dates beyond the year 2000. Otherwise, 
    information may not be handled as expected. 

    For example, entering a credit card with an expiration date of 
    1/01 is handled as January 1 of the current year. This behavior 
    was changed in Microsoft Wallet version 2.1.1383 and later.  

3. Microsoft Data Access (msdadc.dll, msadce.dll)
    The msdadc.dll file is part of the OLE DB core components and a 
    part of the Microsoft Data Access Components (MDAC). If you code 
    to ADO, and your ADO Recordset includes Date data types, such as 
    adDate, adDBDate, adFileTime, or adDBTimeStamp, and you're using 
    a date format in which periods are used instead of slashes for 
    date separator (for example, 01.01.98 instead of 01/01/98), and 
    you specify a year less than 60, then Data Convert (msdadc.dll) 
    might translate your date as a time. 
    For example, 01.01.01 (January 1, 2001) might be converted to 
    01:01:01 (December 30, 1899, 1:01:01A.M.).

    For more information about OLE DB compliance, visit the Microsoft 
    Web site at http://www.microsoft.com/year2000.

    1. Click Product Guide.
    2. In Compliance Information for Microsoft Products, select 
       Microsoft OLE DB. Under Data Access, select Microsoft OLE DB.
    3. Click Search, and the latest compliance documentation will be 
       displayed.

For Internet Explorer 3.0x the following issues are addressed:

1. If a web site uses a cookie with a 2-digit year of "00", Internet 
    Explorer recognized the cookie as expired. Cookies with 4-digit 
    expiration dates, or expiration dates before and after the year 
    2000 are not affected. 

2. If a web server communicates a 2-digit year of "00" in its HTTP/1.0 
    header, Internet Explorer will recognize pages on that site as 
    expired and not cache them locally. Browsing of the site will work 
    normally while connected, but will not be available for offline 
    browsing. HTTP/1.1 headers, headers with a 4-digit year, or headers 
    containing 2-digit years before and after the year 2000 are not 
    affected. 

3. If you change your control panel settings (International -> Use 
    Century format (1990 vs 90)) and browse to an FTP server with files 
    created in 2000 (according to the server), IE will display the files 
    as created in 1900. 

4. The Javascript getYear() function/method calculates the year "00" 
    (2000) as "100", and the year "01" (2001) as "101" etc. Scripts 
    will need modifications to work around this issue. 

1. The date function (java.util.date) in the Microsoft VM based on Sun 
    Microsystems Java Development Kit 1.0.2 does not interpret two digit 
    dates correctly. The function maps a two-digit date to the 1900s and 
    doesn't take into consideration the year 2000.


Note:
During the setup of Internet Explorer 4.01 Service Pack 2, if you choose 
the Installation Option "Browser Only Installation" rather than the 
default "Standard Installation", the updated files that correct the above 
year 2000 issues will not be installed. The "Browser Only Installation" 
will install only a subset of the entire Internet Explorer Service Pack 
and will not update your system for the above year 2000 issues. You 
should choose either the default Installation Option of "Standard 
Installation" or choose "Full Installation" to ensure that all updated 
files and Internet Explorer 4.01 Service Pack 2 components are installed 
on your system.

 
VI. 	Additional Issues
-------------------------------------
A. Microsoft Jet Database Engine 3.0 and Microsoft OFFICE 95
    When you try to synchronize two members of a replica set that was 
    created before the year 2000, and the current date on your computer 
    is after the year 2000, a synchronization message might appear. This 
    is because of how the expression service mishandles date entries in 
    the MSysExchangeLog table in replicas. When a replica set created 
    before the year 2000 is compacted after the year 2000, exchange 
    information relating to synchronizations after the year 2000 is 
    deleted from the MSysExchangeLog table. After this information is 
    deleted, the generation information in the MSysExchangeLog table and 
    the MSysGenHistory table does not match, and the replicas cannot be 
    synchronized. To resolve this issue, download the latest Microsoft 
    Office 95 Service Release from the Microsoft Web site at 
    http://www.officeupdate.microsoft.com 

        

VII. 	Microsoft Product Support Services
-------------------------------------

For product support, contact the manufacturer of your PC.

THE INFORMATION CONTAINED IN THIS DOCUMENT IS 
PROVIDED TO YOU FOR THE SOLE PURPOSE OF ASSISTING 
THE PLANNING FOR THE TRANSITION TO THE YEAR 2000. 
THIS DOCUMENT CONTAINS THE INFORMATION CURRENTLY 
AVAILABLE CONCERNING THE BEHAVIOR OF MICROSOFT'S 
PRODUCTS IN THE NEXT CENTURY AND IS UPDATED 
REGULARLY AND SUBJECT TO CHANGE. WE THEREFORE 
RECOMMEND THAT YOU CONTINUE TO CHECK THE 
INFORMATION LOCATED AT http://microsoft.com/year2000 
REGULARLY FOR ANY CHANGES. CONSQUENTLY, THE 
INFORMATION IN THIS DOCUMENT IS PROVIDED "AS IS" 
WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS 
ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING 
THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT 
CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES 
WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, 
CONSEQUENTIAL, LOSS OF BUSINESS PROFITS, PUNITIVE OR 
SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR 
ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF 
SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION 
OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR 
INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY 
NOT APPLY. THE INFORMATION IN THIS DOCUMENT IS INTENDED 
TO BE READ IN CONJUNCTION WITH OTHER INFORMATION 
LOCATED AT http://microsoft.com/year2000, INCLUDING BUT NOT 
LIMITED TO THE DEFINITION OF THE VARIOUS COMPLIANCE 
RATINGS AND MICROSOFT'S YEAR 2000 TESTING PRACTICES.  
TO THE EXTENT THE INFORMATION CONTAINED IN THIS 
DOCUMENT CONFLICTS WITH THE INFORMATION LOCATED 
AT http://microsoft.com/year2000, THE INFORMATION LOCATED AT 
http://microsoft.com/year2000 SHOULD BE CONSIDERED MORE UP 
TO DATE. 

ANY STATEMENTS MADE TO YOU BY MICROSOFT OR CONTAINED 
HEREIN IN THE COURSE OF PROVIDING YEAR 2000 RELATED FIXES, 
YEAR 2000 DIAGNOSTIC TOOLS, OR REMEDIATION SERVICES (IF ANY) 
ARE SUBJECT TO THE YEAR 2000 INFORMATION AND READINESS 
DISCLOSURE ACT (112 STAT. 2386). IN CASE OF A DISPUTE, THIS ACT 
MAY REDUCE YOUR LEGAL RIGHTS REGARDING THE USE OF ANY 
SUCH STATEMENTS, UNLESS OTHERWISE SPECIFIED BY YOUR 
CONTRACT OR TARIFF.



