4.7.3

Table Of Contents
VMware, Inc. 17
Chapter 2 Capturing Applications
WhenyouselectMergedisolation,ThinAppcompletesthefollowingoperations:
SetstheDirectoryIsolationModeparameterinthePackage.inifiletoMerged.
SetsupexceptionsthatapplyWriteCopyisolationtothefollowingdirectoriesandtheirsubdirectories:
%AppData%
%Common AppData%
%Local AppData%
%Program Files Common%
%ProgramFilesDir%
%SystemRoot%
%SystemSystem%
ThinAppretainsMergedisolationmodeforthe%SystemSystem%\spoolsubdirectorybycreatingan
exceptiontothe%SystemSystem%parentdirectoryisolationmode.
Betweentheprescanandpostscancaptureoperations,assignsFullisolationmodetoanydirectoriesthat
theapplicationcreatesduringtheinstallation.Thisprocessisunrelatedtotheisolationmodeofanynew
directoriesthattherunningvirtualapplicationcreates.
MergedisolationmodeintheSetupCapturewizardhasthesameeffect
asMergedisolationmodeinthe
Package.inifile,includingthedirectoryexceptionsthatspecifyWriteCopyisolationmode.TheSetup
Capturewizardandmanualcaptureprocesswiththesnapshot.exe utilityconfigurethedirectory
exceptionsforyouwiththe##Attributes.inifileswithinthedirectories.
Applying WriteCopy Isolation Mode to Prevent Modifications Outside of the Package
WithWriteCopyisolationmode,ThinAppcaninterceptwriteoperationsandredirectthemtothesandbox.
YoucanuseWriteCopyisolationmodeforlegacyoruntrustedapplications.Althoughthismodemightmake
itdifficulttofinduserdatafilesthatresideinthesandboxinsteadofthephysicalsystem,thismodeis
useful
forlockeddowndesktopswhereyouwanttopreventusersfromaffectingthelocalfilesystem.
WhenyouselectWriteCopyisolationintheSetupCapturewizard,ThinAppcompletesanumberof
operations.
SetstheDirectoryIsolationModeparameterinthePackage.inifiletoWriteCopy.
SetsupexceptionsthatapplyMergedisolationtothesedirectories
%Personal%
%Desktop%
%SystemSystem%\spool
Betweentheprescanandpostscancaptureoperations,assignsFullisolationmodetoanydirectoriesthat
theapplicationcreatesduringtheinstallation.Thisprocessisunrelatedtotheisolationmodeofanynew
directoriesthattherunningvirtualapplicationcreates.
WriteCopyisolationmodeintheSetupCapturewizardhasthesameeffect
asWriteCopyisolationmodeinthe
Package.inifile,includingthedirectoryexceptionsthatspecifyMergedisolationmode.TheSetupCapture
wizardandsnapshot.exeutilityconfigurethedirectoryexceptionsforyouwiththe##Attributes.inifiles
withinthedirectories.