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Microsoft KB Archive/104781

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Knowledge Base


Cannot Delete SUBST Drives If You Are Using DoubleSpace

Article ID: 104781

Article Last Modified on 11/23/1999



APPLIES TO

  • Microsoft MS-DOS 6.0 Standard Edition
  • Microsoft MS-DOS 6.2 Standard Edition
  • Microsoft MS-DOS 6.22 Standard Edition



This article was previously published under Q104781

SYMPTOMS

This information applies to both Microsoft DoubleSpace and Microsoft DriveSpace. For MS-DOS 6.22, use DRVSPACE in place of DBLSPACE for commands and filenames.

SUBST does not correctly delete substituted drives when you are using DoubleSpace.

For example, if you use SUBST as follows to create an E drive, you cannot correctly remove it:

   SUBST E: C:\DOS
                

When you type SUBST E /D, the drive is not deleted correctly.

Some programs (such as Microsoft Diagnostics [MSD]) still report the drive is valid. If you attempt to access the drive from the MS-DOS command prompt, you receive the message "Error reading drive E, Abort, Retry, Fail?" instead of the message "Invalid drive specification."

NOTE: This problem occurs only when you use a drive letter that is reserved for use by DoubleSpace. To determine which drives are reserved for use by DoubleSpace, type dblspace /list at the MS-DOS command prompt and then press ENTER.

CAUSE

RESOLUTION

To work around this situation, restart your computer.

Microsoft has confirmed this to be a problem in MS-DOS versions 6.0 and 6.2. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.


Additional query words: 6.00 6.20 SUSBT.EXE

Keywords: KB104781