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answered my own question. 20 points to chuchya for each solid idea. thanks chuckya.
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upgraded pdc &nbsp;from nt4 to 2003 server enterprise AD.<br />
users &amp;&nbsp;admins still see all their drives in my computer , created from old logon scripts.<br />
but wished to add a new drive mapping for a user by editing logon script and found even admins cannot map new drives by editing script.<br />
admins can still map drives by tools , map network drive.<br />
our logon scripts are batch files on (system drive), D:\winnt\sysvol\sysvol\scr<wbr />ipts<br />

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upgraded pdc  from nt4 to 2003 server enterprise AD.
users & admins still see all their drives in my computer , created from old logon scripts.
but wished to add a new drive mapping for a user by editing logon script and found even admins cannot map new drives by editing script.
admins can still map drives by tools , map network drive.
our logon scripts are batch files on (system drive), D:\winnt\sysvol\sysvol\scripts


Upgraded NT4 SERVER to 2003 now editing logon scripts (adding new mappings) has no effect.

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).

Windows Server 2003

The Microsoft Legacy Operating System topic includes legacy versions of Microsoft operating systems prior to Windows 2000: All versions of MS-DOS and other versions developed for specific manufacturers and Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions, and Windows Mobile.

Microsoft Legacy OS

The Microsoft Server topic includes all of the legacy versions of the operating system, including the Windows NT 3.1, NT 3.5, NT 4.0 and Windows 2000 and Windows Home Server versions.