SQL SERVER – The Lease between Availability Group ‘PRODAG’ and the Windows Server Failover Cluster has Expired

This is one of the common errors I have seen while working with customers who are using SQL Server AlwaysOn availability groups. Once this error comes, the resource in the cluster goes to failed state and in SQL Server Management Studio, we should be an availability group in resolving state. Resolving state essentially means that the role of availability group is neither primary nor secondary.

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SQL SERVER – Maintenance Plan – Could not load type ‘Microsoft.SqlServer.Dts. Runtime.Wrapper. IDTSPackageSigning100’ from Assembly

One of my client was unable to modify the maintenance plan using SSMS. When we did various tests, we found that existing maintenance plans could execute and work. We tried creating a new maintenance plan and found it to be working. So, our issue is confined to “unable to modify existing plans”. Here is the error message

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