Even if you are a DBA, sometime you need to deal with issues which are not related to SQL Server. It is not by design, but this is part of our job description. It is always interesting to troubleshoot such issues and find a solution. I always think, sharing such strange troubleshooting – it will help those who get into this problem, not understanding what is happening behind the scenes. Let us learn about in this module Windows Server 2008 R2 Failover Cluster.