Windows 98/95 Year 2000 Update May Not Update Vdhcp.386 File (230173)

SYMPTOMS

After you install the Windows 98/95 Year 2000 update, the Vdhcp.386 file may not be updated. For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

225050 Availability of the Windows 95 Year 2000 Update

CAUSE

This issue can occur if the version of the Vdhcp.386 file you want to update is newer than the version of this file included in the Windows 98/95 Year 2000 update. This can occur for any of the following reasons:

Your computer has Windows Sockets 2.0 installed. For additional information about Windows Sockets 2.0, click the article number below to view the article in the Microsoft Knowledge Base:
182108 Availability of Windows Sockets 2.0 for Windows 95
Your computer has the Dial-Up Networking 1.3 Update installed.
Your computer has the update referenced in the following article in the Microsoft Knowledge Base installed:
194790 Windows 95/98 DHCP Retry Compliance with RFC2131

RESOLUTION

The Microsoft Windows 95 Dial-Up Networking (DUN) 1.3/WS2 Update (Y2kvdhcp.exe), which will update Vdhcp.386, is now available. Note that this update functionality is also contained within the Microsoft Windows 95 Year 2000 Corporate Update. For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

229862 Microsoft Windows 95 Year 2000 Corporate Update

Y2kvdhcp.exe does the following:

Updates Vdhcp.386 as needed for the Dial-Up Networking (DUN1.3) or Windows Sockets 2.0 updates.
Installs the QfeCheck tool. For additional information, click the article number below to view the article in the Microsoft Knowledge Base:
145990 Windows 95 Update Information Tool (Qfecheck.exe)

You can download the Microsoft Windows 95 DUN 1.3/WS2 Update (Y2kvdhcp.exe) from the following Microsoft Web site:

http://www.microsoft.com/windows95/downloads/contents/WURecommended/S_WUNetworking/dunwinsky2k/Default.asp

MORE INFORMATION

If your Vdhcp.386 file is not updated, your computer may still exhibit the behavior described in the following section of the Y2kw95.txt file included with the W95y2k.exe program:

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.

The Microsoft Windows 95 DUN 1.3/WS2 Update (Y2kvdhcp.exe) places the following values in the registry:

Key: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Setup\Updates\Y2K.W95.DUN

Value(s):

Value Name   Value Type   Value Data
(Default)    REG_SZ       "Windows 95 Y2K DUN1.3/WS2 Update"

For additional information to determine if your computer has the Windows 95 Year 2000 update installed, click the article number below to view the article in the Microsoft Knowledge Base:

231327 How to Determine If Windows 95 Year 2000 Upgrade Is Installed