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From: otis on 21 Feb 2005 12:30 can we safely delete all the $NTuninstal...$ s and the $hf_mig$ folders? if so, why don't they show up in the Add/remove programs, or Disk Cleanup? Thanx
From: Bert Kinney on 21 Feb 2005 13:26 Hi Otis, The $NTUninstallKBxxxxxx$ or $NTUninstallQxxxxxx$ folders are backups of system files that were replaced when you installed various hotfixes. If your system is stable, and you don't need to remove the hotfixes, these folders can be removed. For an automated utility to clean up these folders and the associated Add/Remove Programs entries, see www.dougknox.com, Win XP Utilities, Remove Hotfix Backup Files. The $hf_mig$ should *NOT* be removed. <snip from the following KB Article> When a security update, critical update, update, update rollup, driver, or feature pack installs GDR version files, the hotfix files are also copied to the %windir%\$hf_mig$ folder. This supports migration to the appropriate files if you later install a hotfix or service pack that includes earlier versions of these files. For example, consider the following scenario: 1. You apply a security update that installs a GDR version of File.dll with a version number of 5.2.3790.1000 and copies a hotfix version of File.dll with a version number of 5.2.3790.1000 to the %windir%\$hf_mig$ folder. 2. You apply a hotfix that includes a hotfix version of File.dll with a version number of 5.2.3790.0000. In this scenario the hotfix installation in step 2 installs the hotfix version of File.dll (version number 5.2.3790.1000) from the %windir%\$hf_mig$ folder instead of the hotfix version of File.dll (version number 5.2.3790.0000) from the hotfix package. Description of the contents of WinXP SP2 and Windows Server 2003 software update packages http://support.microsoft.com/default.aspx?scid=kb;en-us;824994 -- Regards, Bert Kinney [MS-MVP DTS] http://dts-l.org/ otis wrote: > can we safely delete all the $NTuninstal...$ s and the > $hf_mig$ folders? > > if so, why don't they show up in the Add/remove programs, > or Disk Cleanup? > Thanx
From: otis on 22 Feb 2005 13:54 outstandingly lucid and complete answer Bert. Ernie would be proud!!!! Thanx, Bert Kinney wrote: > Hi Otis, > > The $NTUninstallKBxxxxxx$ or $NTUninstallQxxxxxx$ folders are backups > of > system files that were replaced when you installed various hotfixes. > If > your system is stable, and you don't need to remove the hotfixes, > these > folders can be removed. For an automated utility to clean up these > folders > and the associated Add/Remove Programs entries, see www.dougknox.com, > Win XP > Utilities, Remove Hotfix Backup Files. > > The $hf_mig$ should *NOT* be removed. > <snip from the following KB Article> > When a security update, critical update, update, update rollup, > driver, or feature pack installs GDR version files, the hotfix files > are also copied to the %windir%\$hf_mig$ folder. This supports > migration to the appropriate files if you later install a hotfix or > service pack that includes earlier versions of these files. For > example, consider the following scenario: > 1. You apply a security update that installs a GDR version of File.dll > with a version number of 5.2.3790.1000 and copies a hotfix version of > File.dll with a version number of 5.2.3790.1000 to the > %windir%\$hf_mig$ folder. > 2. You apply a hotfix that includes a hotfix version of File.dll with > a version number of 5.2.3790.0000. > In this scenario the hotfix installation in step 2 installs the hotfix > version of File.dll (version number 5.2.3790.1000) from the > %windir%\$hf_mig$ folder instead of the hotfix version of File.dll > (version number 5.2.3790.0000) from the hotfix package. > Description of the contents of WinXP SP2 and Windows Server 2003 > software update packages > http://support.microsoft.com/default.aspx?scid=kb;en-us;824994 >
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