Re: [WiX-users] how to uninstall product without UpgradeCode

[Sergey <sh...@gm...>]

Upgrade Table requires UpgradeCode column value.
Old product didn't have UpgradeCode.
I do not know how to add record with empty UpgradeCode to Update table - 
wix refuses to build such a project.

How to check if ProductCode (differs from ProductCode of current msi) 
installed, using custom action?

> The FindRelatedProducts action updates the property used in the Upgrade table with the product codes
> of the products it finds.  You could try adding your Product code to the same property, although I
> don't know what happens if the product doesn't exist.  You might need to use a custom action to
> check that.  If the property is blank after FindRelatedProducts you'll need to set it to "{GUID}".
> If it's not blank you'll need to append ";{GUID}" to it.  But like I said, this will need some
> careful testing.
>
> Rob
>
> On 14/12/2010 11:08, Pally Sandher wrote:
>> Not as far as I know. Either use a bootstrapper to uninstall it using
>> "msiexec /x [ProductCode]" or patch an UpgradeCode into it first.
>>
>> Palbinder Sandher
>> Software Deployment&   IT Administrator
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>> -----Original Message-----
>> From: Sergey [mailto:sh...@gm...]
>> Sent: 14 December 2010 10:43
>> To: wix...@li...
>> Subject: [WiX-users] how to uninstall product without UpgradeCode
>>
>> Hi,
>>
>> I need to prepare major update for msi product, which does not contain
>> UpgradeCode. Is it possible to somehow uninstall previous product on
>> RemoveExistingProducts, if i know its productCode?
>>
>> --
>> Sergey
>>
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