JSI Tip 1514. SBS Client Add Pack reports that Server is not SBS?

When you apply an SBS Client Add Pack to SBS versions 4.0, 4.0a, 4.5, etc.., you receive:

Your computer is not running Microsoft Small Business Server. You can only add licenses to a computer running Small Business Server.

You probably have a missing or corrupt Version registry value at:

HKEY_LOCAL_MACHINE\Software\Microsoft\Small Business

This key should have a Version value entry, a type REG_SZ value, that must reflect the installed SBS version. If you have SBS 4.0 installed, set the Version string value to 4.0.

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