Is there a reason why LookupAccountName returns the local PC Domain instead of the logged in AD Domain?

Is there a reason why LookupAccountName returns the local PC Domain
instead of the logged in AD Domain?

References

Reference NO 1

http://stackoverflow.com/questions/15206146/lookupaccountname-returns-the-local-pc-domain-instead-of-the-logged-in-ad-domain

Reference NO 2

https://fogbugz.bitvise.com/default.asp?WinSSHD.1.11914.6

Reference NO 3

http://forums.asp.net/t/958594.aspx/2/10

Reference NO 4

http://www.bigresource.com/VB-Change-the-owner-permission-of-system-table-in-MS-Access-YdPqqASbhh.html

Reference NO 5

http://www.codeproject.com/Articles/1653/NT-Remote-and-Local-Group-and-User-Account-SID-Col

Reference NO 6

http://www.winvistatips.com/windows-accounts-added-group-adam-t679704.html

Reference NO 7

ftp://ftp.software.ibm.com/software/tivoli_support/patches/patches_3.7.1/3.7.1-TMF-0088/3.7.1-TMF-0088.README

Reference NO 8

http://www.installsetupconfig.com/win32programming/networkmanagementapis16.pdf