[QODBC-ALL] Troubleshooting - CD Key has invalid checksum
Posted by Jack - QODBC Support on 09 August 2016 02:32 PM

Troubleshooting - CD Key has an invalid checksum

Problem Description:

I am moving to a new server.

I have everything set up, but I can't get the license to transfer. On the old machine, when I go to the 'deactivate' using my cd-key, I get:

"CD Key has invalid Checksum."

Please help me to resolve this error.


You will get the error "CD Key had invalid Checksum" when you activate the CD KEY of the wrong product.

For Example:

You are trying to activate the QODBC Desktop driver using QODBC POS CD KEY or QODBC Online CD KEY.

So you need to ensure you are using the correct CD Key.

You can't use QODBC Desktop CD KEY with QODBC Online or QODBC POS and vice-versa.

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