Choose the help section for Windows NT: Windows NT FAQ

How to make launch of 16bit programs in a separate address space automatic?

1. Run Regedt32.exe.
2. Open the registry key
   HKLM \ SYSTEM \ CurrentControlSet \ Control \ WOW \
3. Set DefaultSeparateVDM to "yes".

How to create a new Emergency Repair Disk or update information on a previously created one?

1. Run the RDISK.EXE program from the% SYSTEMROOT% \ SYSTEM32 directory.
2. Click the Update Repair Info button first.
3. At the end of the upgrade process, click the Create Repair Disk button.

After changing some parameter in the Control Panel, the computer began to "slow down" at boot. Why?

Advice for the future: do not change those parameters whose values ​​you do not know, it will not become better, but worse - easily.

Why are not Win16 programs running?

• You may have overloaded the% PATH% environment variable or included it in the autoexec.nt file.
• The file command.com is corrupted, destroyed, or replaced with a file of a different version.
• The ver.dll file is destroyed, corrupted, or overwritten by a file of a different version.
• In the file % systemroot% \ system32 \ autoexec.nt there is a call to share.exe (or vshare.exe ).
• Perhaps there is too little room for the environment variables. Try to insert the following line into the config.nt file:

  Shell =% systemroot% \ system32 \ command.com / p / e: 4096

• The WOW files may be corrupted. Restore your Windows NT installation, and reinstall the Service Pack.

Why, after denying access to system directories, the group Everyone Windows NT refuses to boot?

Service Packs

How to install hotfixes for the English version on Russian NTWS?

1. Unpack the required fix by running it with the / x key.
2. In the directory in which you unpacked the fix, find the file with the extension .inf . Open it in any editor (double-click in the Explorer you will open it in Notepad).
3. In the [Strings] section, change the value of LangTypeValue = 9 to LangTypeValue = 25 and save the file.
4. Now you can install the fix by simply running hotfix.exe .

Can I install the Nth Service Pack without installing the previous Service Pack?

Problems with printing pages with a resolution of 600dpi after installing on the machine SP3

Disks, file systems

How to switch from FAT to NTFS?

How to switch from NTFS to FAT?

How to make boot floppy for Windows NT, which will allow to access mirrored disks?

1. Format the floppy from under WIndows NT
2. Copy it to ntdetect.com and ntldr from your root directory
3. If you are using a SCSI card without BIOS, copy the SCSI driver from the system32 \ drivers directory to the ntbootdd.sys file on the floppy disk.
4. Create the following boot.ini by pattern:
   
   

   [Boot loader]

   Timeout = 0

   [Operating systems]

   Default = scsi (0) disk (0) rdisk (0) partition (1) \ winnt = "Windows NT Server"

   
   Attention! You should be familiar with the rules of writing ARC-paths in order to correctly write the last line!

Can I enable HPFS wildcards in Windows NT 4.0?

1. Take from the Windows NT 3.51 distribution the driver pinball.sys and copy it to % systemroot% \ system32 \ drivers .
2. In the registry key HKLM \ SYSTEM \ CurrentControlSet \ Services add a pinball connection.
3. In the created pinball add values:
   
   

   Name	A type	Value
   ErrorControl	REG_DWORD	0x1
   Group	REG_SZ	Boot file system
   Start	REG_DWORD	0x1
   Type	REG_DWORD	0x2

   
   
4. To restart a computer.

What do the lines in boot.ini (multi (0) disk (1) ...) mean?

Naming conventions Advanced RISC Computing (ARC) are the standard for locating files or programs on disk drives: hard disks (HDD) or floppy (FDD, floppy).

On x86 computers, the ARC paths in boot.ini describe the location of the boot partition for each installed copy of Windows NT.

ARC-ways are of two types:

• Multi (W) disk (X) rdisk (Y) partition (Z) \% systemroot%
• Scsi (W) disk (X) rdisk (Y) partition (Z) \% systemroot%

Multi (W) disk (X) rdisk (Y) partition (Z)

Syntax multi () means that the Windows NT system must rely on the BIOS when booting the system files. That is, NTLDR, the bootloader, will use BIOS INT 13 interrupt calls to find and load Ntoskrnl.exe and other necessary files to download the system.

The parameters W, X, Y, and Z have the following values:

• W is the controller serial number, always equal to 0.
• X is not used in multi () , is always 0.
• Y is the serial number of the disk connected to the controller. This parameter can be set to 0 or 1 when using the standard IDE controller (or SCSI with BIOS enabled), or from 0 to 3 when using the dual-channel EIDE controller.
• Z is the partition number. Unlike all other parameters whose values ​​start from zero, the minimum value of the partition number (Z) is 1.

Theoretically, the multi () syntax can be used to boot Windows NT from any drive in the computer. At the same time, these disks must be correctly recognized through the standard interface INT 13, which is not supported in every system. Most BIOS can "see" with INT 13 only one controller.

In the configuration with IDE or EIDE disks, the multi () syntax supports up to four disks. When using only SCSI - the first two drives on a SCSI controller whose BIOS is booted first. If your computer uses both IDE (EIDE) and SCSI, the multi () syntax can only be applied to IDE or EIDE disks.

Scsi (W) disk (X) rdisk (Y) partition (Z)

Using the syntax scsi () tells Windows NT to load the SCSI driver and use it to access the boot partition.

On x86 computers, this driver is called Ntbootdd.sys and is located at the root of the system disk (usually C . Ntbootdd.sys is a copy of the driver used to boot the SCSI controller.

The parameters W, X, Y, and Z have the following values:

• W is the serial number of the controller (in the order in which the driver determines it).
• X - SCSI ID of the disk containing the boot partition.
• Y - SCSI logical unit number (LUN) of the disk containing the boot partition. Y is overwhelmingly equal to 0.
• Z is the partition number. Unlike all other parameters whose values ​​start from zero, the minimum value of the partition number (Z) is 1.

If you use the syntax scsi (), the value of W depends on Ntbootdd.sys. Each SCSI driver used in Windows NT can have its own way of determining the serial number of the controller. Although usually this order coincides with the order of BIOS load (if, of course, the BIOS on the controllers is enabled).

If you use more than one controller and their models are different, only those controllers that are supported by the Ntbootdd.sys driver should be considered to determine the W parameter. For example, if you have one Adaptec 2940 using Aic78xx.sys, and one Adaptec 1542 using Aha154x.sys, the W parameter will always be 0.

• If you boot Windows NT from disk to Adaptec 2940, Ntbootdd.sys should be a copy of Aic78xx.sys.
• If you boot Windows NT from disk to Adaptec 1542, Ntbootdd.sys should be a copy of Aha154x.sys.

Automatic registration (autologon)

How to make the system boot bypassing Logon (do autologon)?

1. Run the program% SYSTEMROOT% \ System32 \ regedt32.exe.
2. Open the registry key HKLM \ SOFTWARE \ Microsoft \ WindowsNT \ CurrentVersion \ Winlogon
3. Set the values:
   
   

   Name	A type	Value
   AutoAdminLogon	REG_SZ	1
   DefaultUserName	REG_SZ	Username
   DefaultPassword	REG_SZ	User password (must be non-empty!)

If you use a Novell Netware client, the autologon procedure will change slightly. In addition to the above steps, create or edit the following parameters in the HKLM \ SOFTWARE \ Novell \ NWGINA \ Logon Screen registry key:

Autoline is switched on by car. Is it possible to register under a different name in this case?

If the system is already loaded, you can use one more way: lock the console, then unlock it using a different name and password. However, remember: only administrators have the right to unlock the console, so this method is by no means universal.