Summary: .NET 3.5 installer for .NET 4.0 app. If rollback occurs under Win
2K3, .NET 2.0 is uninstalled as well as app.
I have a .NET 3.5 installer for a .NET 4.0 web application, built with WIX
3.5.2110. It installs and uninstalls successfully under Windows Server 2003
and Windows Server 2008. There is a custom user interface. After the files
are deployed, a custom completion screen appears. The screen is different if
successful or if there were errors.
The installer is .NET 3.5 because we could not build a .NET 4.0 installer
with Wix 3.5. I think it had something to do with makesfxca.
The installer uses immediate and deferred custom actions to achieve rollback
when there is an error. Under Server 2008, the rollback works and the custom
completion screen appears. My Server 2008 environment has IIS7 and .NET 4.0,
no other version of .NET Framework.
My Server 2003 environment has IIS6 and .NET 4.0, but also .NET 2, 3 and
3.5. ARP will not let me uninstall .NET 2.0.
I am using msiexec 4.5 for Server 2003 and Server 2008.
If there is an installation error under Server 2003 and a rollback occurs,
the rollback uninstalls .NET 2.0 as well as my web app. My completion screen
then fails to open. (My concern is not the installation error. Users will
always find ways to cause errors. The problem is, if there is any error, the
rollback uninstalls .NET.)
Why does the rollback uninstall .NET Framework 2.0 under Server 2003?
----------
CustomAction.config:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<startup useLegacyV2RuntimeActivationPolicy="true">
<supportedRuntime version="v4.0"/>
</startup>
</configuration>
----------
MSI log where the rollback begins and takes out .NET 2.0:
...
Action ended 15:54:16: InstallFinalize. Return value 3.
MSI (s) (14:34) [15:54:16:872]: User policy value 'DisableRollback' is 0 MSI
(s) (14:34) [15:54:16:872]: Machine policy value 'DisableRollback' is 0 MSI
(s) (14:34) [15:54:22:545]: Executing op:
Header(Signature=1397708873,Version=301,Timestamp=1030978475,LangId=0,Platfo
rm=0,ScriptType=2,ScriptMajorVersion=21,ScriptMinorVersion=4,ScriptAttribute
s=1)
MSI (s) (14:34) [15:54:22:545]: Executing op: DialogInfo(Type=0,Argument=0)
MSI (s) (14:34) [15:54:22:545]: Executing op:
DialogInfo(Type=1,Argument=Microsoft .NET Framework 2.0 Service Pack 2) MSI
(s) (14:34) [15:54:22:545]: Executing op:
RollbackInfo(,RollbackAction=Rollback,RollbackDescription=Rolling back
action:,RollbackTemplate=[1],CleanupAction=RollbackCleanup,CleanupDescriptio
n=Removing backup files,CleanupTemplate=File: [1])
----------
MSI log where the completion screen fails to start up:
...
Action start 15:55:53: ShowError.
MSI (s) (14:B8) [15:55:54:015]: Invoking remote custom action. DLL:
C:\WINDOWS\Installer\MSI101.tmp, Entrypoint: ShowError
SFXCA: Extracting custom action to temporary directory:
C:\WINDOWS\Installer\MSI101.tmp-\
SFXCA: Failed to get requested CLR info. Error code 0x80131700
SFXCA: Ensure that the proper version of the .NET Framework is installed, or
that there is a matching supportedRuntime element in CustomAction.config. If
you are binding to .NET 4 or greater add
useLegacyV2RuntimeActivationPolicy=true to the <startup> element. Action
ended 15:55:55: ShowError. Return value 3.
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