This Blog entry references the download site from the System Center Operations Manager Team Member Satya Vel who produced an 'unofficial' Operations Manager 2007 Storage Database Calculator. The Operations Manager 2007 Storage Database Calculator provides 'estimated' Database Sizes for both the Operations Manager Database and the Data Warehouse for Operations Manager 2007. If you have ever wondered how to calculate the size of an Operations Manager 2007 Database this Excel Worksheet is of value! I have included Screen Captures for reference....