Microsoft KB Archive/107817

= MS-DOS 6.2 Setup Err Msg: There Is Not Enough Free Space... =

Article ID: 107817

Article Last Modified on 12/2/1999

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APPLIES TO


 * Microsoft MS-DOS 6.2 Standard Edition

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This article was previously published under Q107817



SYMPTOMS
When you run the MS-DOS 6.2 Setup, you may receive the following error message:

There is not enough free space on drive  to install MS-DOS.

This error may occur even when there is enough disk space available.



CAUSE
This error message can appear if any of the following conditions exist:


 * Delete Sentry is running.
 * The actual compression ratio (ACR) does not equal the estimated compression ratio (ECR) for DoubleSpace.
 * The beginning and ending signatures of the compressed volume file for a compressed drive need to be rewritten.



WORKAROUND
To work around this problem, do the following:

 Unload Delete Sentry and purge the SENTRY directory. To determine the status of Delete Sentry, type the following at the MS-DOS command prompt:

undelete /status

 In the DoubleSpace program, set the ECR to equal the ACR. To do this, type dblspace at the MS-DOS command prompt. Select the Drive menu by pressing ALT+D and then select the Change Ratio option. Change the ECR to the same value as ACR and press OK. Change the size of the host drive to force DoubleSpace to rewrite the beginning and ending signatures of the compressed volume file. To do this, type dblspace at the MS-DOS command prompt. Select the Drive menu by pressing ALT+D and then select the Change Size option. Reduce the free disk space by about 0.5 megabyte and press OK. Run MS-DOS 6.2 Setup again.

Additional query words: 6.20 SETUP TSHOOT CVF

Keywords: KB107817

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