wmic output is showing different OS and actual OS is diffrent as a result wmic gives error

By following wmic command on client gives following output but this System is Windows 2003 Standard Edition Server-

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C:\>wmic os get name
Name
Windows XP Home Edition Standard Edition|C:\WINDOWS|\Device\Harddisk0\Partition1

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While executing the osarchitecture-

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C:\>wmic os get osarchitecture
Node - ACTSERVER
ERROR:
Code = 0x80041017
Description = Invalid query
Facility = WMI

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Also below command is giving the error

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PS C: Get-WmiObject Win32_OperatingSystem
Get-WmiObject : Invalid parameter
At line:1 char:14
+ Get-WmiObject <<<<  Win32_OperatingSystem
    + CategoryInfo          : InvalidOperation: (:) [Get-WmiObject], ManagementException
    + FullyQualifiedErrorId : GetWMIManagementException,Microsoft.PowerShell.Commands.GetWmiObjectCommand

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-Chaitanya Ramdasi