Vista’s performance is one of those topics that won’t be exhausted until Windows Seven hits RTM. It all comes down to trade-offs. Ever since the features of Vista were finalized, Microsoft tried to tip the scale the other way by focusing on performance, with the obvious limitation of not disabling any services. Updates regarding performance and stability are numerous, but most have not hit Windows Update as they are not quite ready (preview releases). The Windows Serviceability Team wants feedback on one such update, available for download at the Microsoft Download Center, before its expected release on Windows Update in January.
This particular update improves “previous issues affecting going into or resuming from sleep/hibernate under some scenarios”, addresses “a previous issue with the disk spindown feature to improve battery life for portable systems” and supposedly has “up to 15% improved performance of disk I/O (i.e., copying/moving/deleting large files).”

This is a reliability update. This update resolves some performance and reliability issues in Windows Vista. By applying this update, you can achieve better performance and responsiveness in various scenarios. After you install this item, you may have to restart your computer. This is a preview release. At the conclusion of this preview phase, the final version of the update will be released via Windows Update. This update is provided to you and licensed under the Windows Vista License Terms.

Download KB943899: 32bit | 64bit
Link: More Information
News source: Windows Vista Team Blog


There are 14 additional comments
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Quote this comment Reply to this comment #1 Posted by +stevember on 12 Dec 2007 - 21:33
So far, seems alot better going through directories etc. Strange as says just large files...

But yes alot faster...

Thank you MS...
(2 replies) Quote this comment Reply to this comment #2 Posted by cRuNcHiE on 12 Dec 2007 - 21:50
Is this included already in SP1 v668?
Quote this comment #2.1 Posted by Ntadeusz on 12 Dec 2007 - 22:02
Quote - (cRuNcHiE said @ #2)
Is this included already in SP1 v668?


No, it will be included in SP1 RTW.
Quote this comment #2.2 Posted by cRuNcHiE on 12 Dec 2007 - 22:06
I just tried to install on sp1 668 and it says " this update does not apply to this system"
Quote this comment Reply to this comment #3 Posted by XPero on 12 Dec 2007 - 22:10
Same here
Quote this comment Reply to this comment #4 Posted by majortom1981 on 12 Dec 2007 - 22:11
This update did speed up harddrive acceess and things like that for me.
(2 replies) Quote this comment Reply to this comment #5 Posted by :: Lyon :: on 12 Dec 2007 - 22:15
Not applicable for my system :| (already installed SP1 RC)
Quote this comment #5.1 Posted by gate1975mlm on 12 Dec 2007 - 23:59
Quote - (:: Lyon :: said @ #5)
Not applicable for my system :| (already installed SP1 RC)




this update is separate from the Windows Vista SP1 RC, and it will be included in SP1 at RTM.
Quote this comment #5.2 Posted by Budious on 13 Dec 2007 - 00:39
Quote - (gate1975mlm said @ #5.1)
Quote - (:: Lyon :: said @ #5)
Not applicable for my system :| (already installed SP1 RC)




this update is separate from the Windows Vista SP1 RC, and it will be included in SP1 at RTM.


How does that make any sense? Isn't the point of RC to test all the code put into the SP before going to RTM.
Quote this comment Reply to this comment #6 Posted by eilegz on 13 Dec 2007 - 00:11
its a preview patch not a final, so better wait
Quote this comment Reply to this comment #7 Posted by EddieZ on 13 Dec 2007 - 07:46
Patch does not show any downsides up till now. Does increase access speed to files, system feels more responsive.

Last edited by EddieZ on 13 Dec 2007 - 08:17
Quote this comment Reply to this comment #8 Posted by abcdefg on 13 Dec 2007 - 12:24
Clear pattern here: people will complain about slowness and stay away from Vista, -> M$ magically improves performance.
Quote this comment Reply to this comment #9 Posted by hardgiant on 13 Dec 2007 - 13:10
Some people are having trouble after installing the patch, it is a preview though.
Quote this comment Reply to this comment #10 Posted by RanCorX2 on 14 Dec 2007 - 23:23
I almost missed this update! just scrolled down the main page and saw the article, cheers neowin! i'm a bit of on an update junkie, thats put my installation @ 54 official updates & 300 not yet released updates.
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