wsus silverlight product classification and which update actual does the install?


under product , classifications, unchecking silverlight (to not updates) nothing (is bug?)... silverlight install/update still shows every pc.  i not install silverlight on machines still updates pc's have silverlight.  i cannot tell difference between updates , actual install on wsus.  if can decline install , approve update great.  do know id?

selecting/deseleting products , classification forward-looking only. once you've synchronized update product category or update classification, it's on machine -- unselecting product or classification not remove system.

theoreticaly, if don't want have full-installer package available clients on system, then appropriate action decline full installation package, and leave product category selected might updates, , approve updates.

however, it's not simple silverlight concerned, , it helps immensely in situation to understand packaging of silverlight, , doing expose fact there aren't "updates" silverlight separated installers.

silverlight 1.0 (kb946609) released on 1/25/08 (and on 2/26/08 vista). subsequent that, 2 additional repackaged installers silverlight 1.0 released, superceded previous installers. on 5/19/08, kb951213 released, superceded kb946609, ergo kb951213 becamse de facto installer silverlight 1.0; on 8/18/08, kb955305 released, superceded kb951213, making kb955305 de facto installer silverlight 1.0. both of these packages released in multiple update classifications (feature packs , update rollups) -- these packages contained updated functionality. say, these silverlight 1.0 packages, there no way separate full-installer updates.

silverlight 2.0 (kb957938) released on 10/20/08, superceded of silverlight 1.0 packages. package, also, released in both feature packs , update rollups. kb960353 released on 2/23/09, package supercedes of others. package was, again, released in both feature packs , update rollups.

so, of date, there 1 current silverlight package, kb960353, released on 2/23/09. package exists in feature packs , update rollups, , full installer silverlight 2.0. package has capability update of released silverlight 1.0 packages, the 10/2008 release of silverlight 2.0.  there no standalone "update" packages available silverlight @ time.

so, if don't want install silverlight on machines don't have silverlight, but you want ensure of existing silverlight installations updated feb 2009 release of silverlight 2.0, you'll need create 2 wsus target groups -- 1 update, , 1 won't update, , approve kb960353 accordingly. mitigating factor, may find several of existing target groups (like contains servers), don't have, , never going get, silverlight, need ensure groups never have these packages approved. need consider existing groups have both -- , won't -- , create subgroups split haves , wontgets.

lawrence garvin, m.s., mcitp:ea, mcdba
principal/cto, onsite technology solutions, houston, texas
microsoft mvp - software distribution (2005-2009)


Windows Server  >  WSUS



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