How to solve the Product Data File with Hash was not properly initialized error when using the Outlook Online Synchronizer

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Written by Thomas Speekenbrink

Overview:

When you use the Outlook Online Synchronizer and start the Sync Admin or the Synchronizer, you might be presented with this error:

Unable to verify license registration!
Message: Product data file with hash 'xxxxxx' was not properly initialized. Please check the incorrect files and try to restart.

 

Even though you have a valid license this might happen.

How to:

This is a common mistake and is easy to solve.

The SyncAdmin and/or the Synchronizer was started in "Exchange" mode. This will throw this error. Check the shortcuts for the Synchronizer and SyncAdmin and add the /P parameter (stands for Personal mode) after the .exe file.