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Error creating MSI patch (0xC00E5177)

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Posted 23 February 2006 - 16:29

I am trying to create an MSI patch for our product. I have created the required PCP file. I have the modified the ProductCode for my UpgradedImages.
But when I execute the MSIMSP.exe with required parameters, it gives following error -

Failed to create patch. Error code: 0xC00E5177

The log file has following entry -
ERROR: UpgradedImages.Upgraded = 'FirstUpgrade': ProductCode is not a valid GUID.

Can you please tell me what could be the problem?


Stefan Krueger

Stefan Krueger


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Posted 23 February 2006 - 17:37

Can you post your ProductCode, is it a valid Windows Installer GUID (i.e. all letters in upper case)?
Note that changing the ProductCode mean that your are performing a Major Upgarde which in general should be created as full .msi file, not as .msp patch. Patches are more appropriate for Small and Minor Updates.


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Posted 24 February 2006 - 07:45

HI Stefan,
Thanks for the quick response. We are planning to do a small update. I changes the product code instead of package code (I had a wrong understand that both the codes are same)
I changed the Package Code and things are working fine.

Thanks again1