Assume that you use Microsoft SQL Server 2012 or SQL Server 2014 failover cluster. When you change the password for service account by using SQL Server Configuration Manager or SQL Server WMI Provider on the non-owner node, SQL Server resource goes offline without any warning.
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To work around this issue, use services.msc, sc.exe, or Service Control API instead of SQL Server Configuration Manager or SQL Server WMI Provider to change the password.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.