Friday, July 31, 2009

Uncovering Myths about Globalization testing- MUI Packs in Win XP and Win Vista

Myth 16: There is no difference between MUI technology being used in Win XP and Win Vista


This myth has a little bit of background in the Globalization testing Myth# 12 . This post is rather an extension to the before-mentioned post.
While performing the Globalization testing, one of the key test environment specific decisions is whether to use native language Operating system or make use of MUI packs as Microsoft provides both the options for its users. The previous post does touch upon this aspect. As i delved more into this topic, i had a realization that MUI packs do not actually behave the same as the different flavors of Windows Operating systems. With a bit of research, i was able to arrive at the below table listing the differences between the way MUI technology works in Windows XP and Windows Vista. This information has largely been derived from the below mentioned sources.

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CategoryWin XP Win Vista

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MUI architectureSome part of Win XP code is language dependent (e.g. country specific device drivers)Separates the language resources for the user interface completely from the binary code of the operating system.
All installations of Windows Vista contain at least one language pack and the language neutral binaries that make up the operating system.

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Mode of InstallationMUI Packs can be installed over English version of OS only.Language Packs can be installed on any language version of Windows Vista. E.g. a user having Spanish Vista Ultimate can install German Language packs and switch between these 2 languages on the same system.

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Maintenance updatesWindows XP usually releases one Service pack per languageBeing completely built o language neutral code base, Windows Vista can be updated by a single software update anywhere in the world

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UpgradesThe Multilingual User Interface Pack only supports upgrades from English versions in case of Windows XP.All upgrades must be performed in the same language in case of Windows Vista.
Vista Home Basic (EN)-> Vista Ultimate (JA) not allowed.

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Licensing requirementsFor non Win Vista Ultimate, Vista Enterprise installations: Only single language installation.
For these editions, Windows will automatically remove all non-default languages from the computer after the end user completes the Windows Welcome.

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File and folder names created at setupIn case of Windows XP, the files and folder names created at setup such as "Program Files", "Documents and Settings" etc. remain in English language.In case of Windows Vista, the corresponding Files and Folder names created during setup changes to the language of the MUI pack.

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Multiple Languages on same InstallationWindows XP allows having multiple languages on the same computer system provided the original language of OS is English.Available with any language

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Languages support4297

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Source: http://technet.microsoft.com/en-us/library/cc721887(WS.10).aspx
http://msdn.microsoft.com/hi-in/goglobal/dd218461(en-us).aspx

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