Windows NT Backup Writes Incorrect Times To Log

ID: Q123717

The information in this article applies to:

Microsoft Windows NT operating system version 3.1
Microsoft Windows NT Advanced Server version 3.1
Microsoft Windows NT Workstation version 3.5
Microsoft Windows NT Server version 3.5

SYMPTOMS

Windows NT Backup writes incorrect times (one hour late) to its log when the time zone is not with the United States.

CAUSE

GetCurrentDate() in \PRIVATE\UTILS\NTBACKUP\SRC\DATETIME.C uses the C- Runtime call localtime() to get the current time (instead of the Win32 API GetLocalTime()). Localtime() calls tzset() to determine the time zone and daylight saving settings. Tzset doesn't take the real daylight saving information from GetTimeZoneInformation into account.

STATUS

Microsoft has confirmed this to be a problem in Windows NT Workstation and Windows NT Server version 3.5. This problem was corrected in the latest U.S. Service Pack for Windows NT version 3.5. 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 3.50 USA us

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