DOCUMENT:Q262466 06-AUG-2002 [winnt] TITLE :Windows 95 RAS Clients Cannot Connect to Windows NT Server PRODUCT :Microsoft Windows NT PROD/VER::4.0,4.0 SP4 OPER/SYS: KEYWORDS:kbWinNT400PreSP7Fix ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server versions 4.0, 4.0 SP4 ------------------------------------------------------------------------------- SYMPTOMS ======== When a Microsoft Windows 95-based client attempts to connect to a Windows NT-based server using encryption, the client may receive the following error message: No domain server was available to validate your password. You may not be able to gain access to some network resources. The following event ID may also appear in the event log: Event ID: 8006 Description: The browser has received an illegal datagram from the remote computer "" to name "" on transport "". The data is the datagram. If the Enable Encryption check box is selected for the Windows 95-based client connection, the problem does not occur. CAUSE ===== Under certain circumstances, Windows NT and Windows 95 may lose synchronization when you are using encryption. This causes the client and the server to use different keys. RESOLUTION ========== A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Windows NT 4.0 service pack that contains this fix. To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site: http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question. The English version of this fix should have the following file attributes or later: Date Time Size File name Platform --------------------------------------------- 5/8/00 9:47p 59,920 Ndiswan.sys Intel 5/8/00 9:45p 108,592 Ndiswan.sys Alpha STATUS ====== Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. MORE INFORMATION ================ If you obtain a network trace of the unsuccessful connection, you may note malformed packets originating from the client. Additional query words: ====================================================================== Keywords : kbWinNT400PreSP7Fix Technology : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400sp4 kbWinNTS400search kbWinNTS400 Version : :4.0,4.0 SP4 Hardware : ALPHA x86 Issue type : kbbug Solution Type : kbfix ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE 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 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. Copyright Microsoft Corporation 2002.