Serge Tremblay gave a presentation on the top 10 misconfigurations in SharePoint 2013 installations. The presentation covered issues such as improper SQL server configurations, using the configuration wizard incorrectly, disabling loopback checks, social feature permissions problems, task aggregation not working due to incorrect Work Management Service configuration, and lack of governance and change management planning. Tremblay provided explanations for each issue and steps to resolve them.