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Admin Image Install requires admin privilege/Vista


3 replies to this topic

ndollo

ndollo
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Posted 11 August 2008 - 07:45

We have an issue with Administrative Image Installation which seems a bug or a limitation on Vista.

Context:

We are issuing a product (.msi) that doesn't require administrative privileges, any user can install it. Since we publish frequent regular updates (MSP hotfixes), some customers want to perform a mass deployment using the administrative image installation: they create an image of the main .msi, then patch it by all available hotfixes. This is the administrative image ready to deploy.

Our understanding is that the IT guy will make this image available onto a network, and each machine could install the package whether the user is administrator or not. We thus expect a non-admin user on those machines to be able to install the "admin image package", which works fine on XP.
But on Vista it doesn't.

After investigation, we found that

* By default when we set "Require Administrative Privilege = No" in InstallShield -> the Word Count Summary is set to Bit 3 (Value 8) - see picture

* During the administrative image creation , the Word Count Summary will change to Bit 2 (Value 4). This change makes the administrative rights to be required.

We would like to understand what is wrong.

Attached Images

  • admin_install.jpg


Stefan Krueger

Stefan Krueger

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Posted 13 August 2008 - 09:51

Which operating system and MSI version is used to create the admin image? Note that older versions of MSI don't know about bit 3.
Does the value flip to 4 (instead of 12) on XP, too? (It makes no difference on XP because there's no UAC, but anyway)
Have you tested this with different MSI versions (4.0 and 4.5 on Vista, 3.x and 4.5 on XP)?
Try to create the admin image without using setup.exe by calling msiexec.exe /a your.msi to make sure it isn't a problem caused by InstallShield's setup.exe.

ndollo

ndollo
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Posted 09 September 2008 - 11:07

Hi Stefan, we have tested to create the image with Windows Installer 4.0 and 4.5 on Vista but we still get the same result, the Word Count Summary bit is still changed from Bit 3 (Value 8) to Bit 2 (Value 4).

We were not using ane "setup.exe". Our products are compiled in InstallShield basic msi mode and we choose to keep files beside the msi (no internal cab).

We are about to send a call to Microsoft to have their view.

Stefan Krueger

Stefan Krueger

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Posted 09 September 2008 - 15:11

Please keep us updated about their reply.