Remote Server Administration Tools for Windows 7 or former AdminPack

http://www.microsoft.com/downloads/details.aspx?familyid=7D2F6AD7-656B-4313-A005-4E344E43997D&displaylang=en

File name for x64 platform: amd64fre_GRMRSATX_MSU.msu

File name for x64 platform:x86fre_GRMRSAT_MSU.msu

RSAT for Windows 7 Help: http://technet.microsoft.com/en-us/library/ee449475%28WS.10%29.aspx

Also See

RSAT for VISTA

Microsoft Remote Server Administration Tools for Windows Vista X86

http://www.microsoft.com/downloads/details.aspx?FamilyId=9FF6E897-23CE-4A36-B7FC-D52065DE9960&displaylang=en

File name: Windows6.0-KB941314-x86_en-US.msu

Microsoft Remote Server Administration Tools for Windows Vista X64

http://www.microsoft.com/downloads/details.aspx?familyid=D647A60B-63FD-4AC5-9243-BD3C497D2BC5&displaylang=en

File name: Windows6.0-KB941314-x64_en-US.msu