https://blogs.technet.microsoft.com/askcore/2015/10/02/so-what-exactly-is-the-cliusr-account/ From time to time, people stumble across the local user account called CLIUSR and wonder what it is, while you really don’t need to worry about it; we will cover it for the curious in this blog. The CLIUSR account is a local user account created by the Failover Clustering feature wh..