Unable to find 'sqagtres.dll' on any of the cluster nodes I am getting the Warnings below after adding a node to an existing 5 node Windows 2008 r2 Cluster. The warnings was returned after adding a node to the existing cluster using 'Add Node Wizard in Failover Cluster Manager'? SQL Server 2008 r2 Clustering is running on the existing cluster nodes. The Windows 2008 r2 cluster and SQL Server 2008 r2 Clustering has been running on the existing 5 node cluster for over 1 year.  So I find it strange to get the warnings when adding a node to the existing cluster. How do i resolve the warnings.  What are the steps involved in resolving the warnings? Thanks. Warning1 The node was added successfully, but the 'SQL Server' resource type could not be installed on it. Unable to find 'sqsrvres.dll' on any of the cluster nodes. Warning2 The node was added successfully, but the 'SQL Server Agent' resource type could not be installed on it. Unable to find 'sqagtres.dll' on any of the cluster nodes. Answers When adding a new node to th 5-node cluster, does it mean you only added a Windows cluster node, but this new node is not a SQL Server cluster node? If this is true, it is due to the SQL Agent resource dll missing on the new node. If you installed SQL Server Agent(check this in Failover Cluster Manager), which support failover cluster too, you can find the SQL Agent cluster resource DLL in