RDM RDM version 2026.1.22.0 - ArgumentException requiredChainLength

Hello,
after getting some Windows Updates I got an issue with the RDM version 2026.1.22.0

I am trying to connect to an on premise server with the Version 2026.1.19

Below you will find the Log details.

Kins regards,
Bernd Wollny


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ArgumentException - The chain is already shorter than required. (Parameter 'requiredChainLength')

at OpenMcdf.MiniFatChainEnumerator.Shrink(UInt32 requiredChainLength)
at OpenMcdf.MiniFatStream.SetLength(Int64 value)
at OpenMcdf.CfbStream.SetLength(Int64 value)
at Devolutions.RemoteDesktopManager.Managers.OpenMCDFv2OfflineEngine.WriteAllBytes(CfbStream stream, Byte[] bytes)
at Devolutions.RemoteDesktopManager.Managers.OpenMCDFv2OfflineEngine.SaveMeta(RootStorage file)
at Devolutions.RemoteDesktopManager.Managers.OpenMCDFv2OfflineEngine.Reset(Boolean saveChanges, Boolean includeMeta)
at Devolutions.RemoteDesktopManager.Managers.OfflineManager.Reset(ConnectionEngine engine, Boolean includeMeta)
at Devolutions.RemoteDesktopManager.Managers.ConnectionManager.LoadConnections(ConnectionEngine& engine)
at Devolutions.RemoteDesktopManager.Managers.ConnectionManager.LoadConnections(BaseConnectionDataSource dataSource, ConnectionEngine& engine)
at Devolutions.RemoteDesktopManager.Managers.ConnectionManager.RefreshConnections(ConnectionEngine& engine)
at Devolutions.RemoteDesktopManager.Managers.ConnectionManager.RefreshConnectionEngineWithFailover(ConnectionEngine& engine)
at Devolutions.RemoteDesktopManager.Forms.FrmMainDocumentManager.RefreshAllConnectionView(Boolean saveState, Boolean checkOnline, Boolean force)
at Devolutions.RemoteDesktopManager.Managers.MainFormManager.DoFirstLoad(FrmMainDocumentManager mainform)
at Devolutions.RemoteDesktopManager.Forms.FrmMainDocumentManager.DoFirstLoad()
at Devolutions.RemoteDesktopManager.Forms.FrmMainDocumentManager.TmFirstLoad_Tick(Object sender, EventArgs e)
at System.Windows.Forms.NativeWindow.Callback(HWND hWnd, UInt32 msg, WPARAM wparam, LPARAM lparam)
------------------------ extended stack ------------------------
at Devolutions.RemoteDesktopManager.AvaloniaUI.ViewModels.ErrorMessageViewModel.LoadParameters(ErrorMessageParameters parameters)
at Devolutions.RemoteDesktopManager.AvaloniaUI.ViewModels.ErrorMessageViewModel..ctor(ErrorMessageParameters parameters)
at Devolutions.RemoteDesktopManager.Managers.UIManager.ShowErrorMessage(ConnectionEngine engine, Exception exception, String message, String details, String title, String xml)
at Devolutions.RemoteDesktopManager.Managers.UIManager.ShowErrorMessage(ConnectionEngine engine, Exception exception, String message, String title)
at Devolutions.RemoteDesktopManager.Managers.UIManager.ShowErrorMessage(ConnectionEngine engine, Exception exception, String title)
at Devolutions.RemoteDesktopManager.Managers.LogManager.HandleException(Exception exception)
at Devolutions.RemoteDesktopManager.Managers.LogManager.OnThreadException(Object sender, ThreadExceptionEventArgs t)
at System.Windows.Forms.Application.ThreadContext.OnThreadException(Exception ex)
at System.Windows.Forms.NativeWindow.Callback(HWND hWnd, UInt32 msg, WPARAM wparam, LPARAM lparam)
at Windows.Win32.PInvoke.DispatchMessage(MSG* lpMsg)
at System.Windows.Forms.Application.LightThreadContext.FPushMessageLoop(msoloop uReason)
at System.Windows.Forms.Application.LightThreadContext.RunMessageLoop(msoloop reason, Boolean fullModal)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(msoloop reason, ApplicationContext context)
at System.Windows.Forms.Application.Run(Form mainForm)
at Devolutions.RemoteDesktopManager.Program.Main(String[] args)