DOCUMENT:Q177205  23-OCT-2000  [winnt]
TITLE   :How to Add an OEM SCSI Controller During SBS Installation
PRODUCT :Microsoft Windows NT
PROD/VER::4.0,4.0a,4.5
OPER/SYS:
KEYWORDS:kbsetup sbs

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The information in this article applies to:

 - Microsoft BackOffice Small Business Server versions 4.0, 4.0a, 4.5 
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SYMPTOMS
========

Because Microsoft BackOffice Small Business Server (SBS) performs an
installation using the unattended method, if you try to install it on a computer
that contains an unsupported disk controller, you will receive the following
error message after the first reboot.

   STOP: 0x0000007b Inaccessible Boot device

CAUSE
=====

The installation process relies on automatic detection of the controller to load
the correct driver. During the installation of Small Business Server, you are
not given the opportunity to specify the type of SCSI controller. While
performing the first reboot, the detection process cannot find a valid drive
controller and results in a STOP: 0x0000007B error message.

RESOLUTION
==========

To work around this problem, perform the following steps:

1. Boot from the three setup disks supplied with Windows NT Small Business
   Server.

2. While loading the first setup disk, when the message "Setup is inspecting
   your hardware configuration..." is displayed, press F6.

   Windows NT will eventually ask you to specify devices to install. When you are
   prompted for the compact disc containing your SCSI controller OEM drivers,
   choose to skip the files it requests because this compact disc does not
   exist.

3. During the next reboot, a blue screen STOP 0x0000007b message will be
   displayed. At this point, the system has not yet been converted to NTFS. Boot
   to an MS-DOS floppy disk and copy the missing drivers (the ones you had to
   skip in step 2) to the winnt.sbs\system32\drivers folder. Restart and the
   setup process will continue normally.


MORE INFORMATION
================

For more information, see the following article in the Microsoft Knowledge
Base:

ARTICLE-ID: Q192163
TITLE : "Stop 0x7B" During Hardware Detection Portion of Setup

ARTICLE-ID: Q122926
TITLE : Troubleshooting STOP: 0x0000007B or "0x4,0,0,0" Error

ARTICLE-ID: Q126423
TITLE : STOP: 0x0000007B "Inaccessible_Boot_Device" - During Setup Disk 2

Additional query words: sbsfaqtop smallbiz SBS blue screen 0x7b detect unsupported

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Keywords          : kbsetup sbs 
Technology        : kbAudDeveloper kbSBServSearch kbSBServ400 kbSBServ400a kbSBServ450
Version           : :4.0,4.0a,4.5
Issue type        : kbprb

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