Registry Reference for Windows Server 2003


ProductType HKLM\SYSTEM\CurrentControlSet\Control\ProductOptions

Data type Range Default value
REG_SZ Platform identifier Windows XP Professional: WinNT
Windows Server 2003: ServerNT or LanmanNT

Description
Stores data that identifies the operating system platform running on the computer. This data lets programs identify and customize their features to the platform.

In Windows Server 2003, the following entries identify the platform options.

Value Meaning
WinNT Windows XP Professional
ServerNT Windows Server 2003
LanmanNT Windows Server 2003

Tip

To view this data, programs can use the GetVersionEx and VerifyVersionInfo application programming interfaces.

Caution

Do not delete this entry or change its value. This entry stores protected operating system data. Editing this data violates your Windows Server 2003 licensing agreement and disqualifies you from receiving Microsoft Product Support Services service. If a program tries to change the data, the system stops abnormally and displays a blue screen.