We have multiple SharePoint 2010 web applications across several farms that we need to migrate to SharePoint 2013. We have to migrate all these web applications to a single SharePoint 2013 farm. What would be the best way to go forward? It we use the database
upgrade process as described here.. http://technet.microsoft.com/en-us/library/cc263026.aspx wouldn't it overwrite existing web applications assuming we upgrade each 2010 web application one by one?
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