Tape Hardware Data Compression Disabled After Running NTBackup

ID: Q136024

The information in this article applies to:

Microsoft Windows NT Workstation versions 3.5, 3.51
Microsoft Windows NT Server versions 3.5, 3.51

SYMPTOMS

After you quit Windows NT NTBackup, tape hardware data compression is disabled even though it is enabled with a jumper setting on the tape drive.

CAUSE

By default, NTBackup disables tape hardware data compression. When you quit NTBackup, it fails to reenable tape hardware data compression.

RESOLUTION

To correct this problem, upgrade to Windows NT 3.51 (if you have not already done so) and install the latest U.S. Service Pack for Windows NT version 3.51.

STATUS

Microsoft has confirmed this to be a problem in Windows NT versions 3.5 and 3.51. This problem has been corrected in the latest U.S. Service Pack for Windows NT version 3.51. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Additional query words: prodnt

Keywords : kb3rdparty kbhw kbtool nthw kbbug3.50 kbbug3.51 kbfix3.51.sp2
Version : 3.5 3.51
Platform : winnt
Issue type :