SharePoint 2013: PowerPivot Configuration Tool Error

Scenario:

Preparing for a SharePoint 2010 -> SharePoint 2013 Migration.
Installed Windows Server 2012, SQL Server 2012, SharePoint Server 2013, PowerPivot for SharePoint.
When running the PowerPivot Configuration Tool, I got the error:

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System Validation
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Could not load file or assembly 'Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c' or one of its dependencies. The system cannot find the file specified.
Plsease address the validation failures and try again. 
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Solution:

What I had to do is install SQL Server 2012 SP1 (SQLServer2012SP1-KB2674319-x64-ENU.exe) and upgrade the PowerPivot instance. After install, a new link appeared: PowerPivot for SharePoint 2013 Configuration