Sometimes the "Online" status fails because the management provider cannot read the logs it needs. Computer Management Local Users and Groups Event Log Readers Add the server’s own computer account SERVERNAME$ ) to this group. If you are using Cluster-Aware Updating (CAU) , add the CAU computer object as well. Summary Table: Which Fix to Use? Likely Solution Failover Cluster / DAG MaxEnvelopeSizekb Fresh WS2022 Install Kernel-IoTrace/Diagnostic registry key Access Denied/Refresh Error Add Computer Object to Event Log Readers

Are you seeing any specific (like 45) in the ServerManager-ManagementProvider log?

Some administrators have found success increasing this to even higher values (e.g., ) to resolve communication drops between cluster nodes. 3. Clean Up Legacy Registry Entries (For In-Place Upgrades)

The resolution depends entirely on whether the issue lies with a physical drive in a pool, a virtual disk, or a non-pooled LUN.

The management data package (envelope) might exceed the default maximum size allowed by the Windows Remote Management (WinRM) service.