Upgraded our development server to 10.0. Now when trying to connect from a 9.9.12 client it hits 42% and hangs. Eventually returns the following error:

Connection failed to '[servername]:16444'. Connection failed with error:

'Expected reply has not been received within time period ( at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
at System.Environment.get_StackTrace()
at VisualCronAPI.Server.WaitForReply(String strId, Boolean bolUseTimeout, Int32 timeOut, CancellationToken cancelToken) in C:\git\code\VisualCronAPI\Server\Server.vb:line 1301
at VisualCronAPI.Server.GetServerSettings() in C:\git\code\VisualCronAPI\Server\Server.vb:line 1522
at VisualCronAPI.Client._Connect(Connection conn, Server s, Boolean SynchronizeServerObjects) in C:\git\code\VisualCronAPI\Client\Client.vb:line 665
at VisualCronAPI.Client.Connect(Connection conn, Boolean SynchronizeServerObjects, Boolean bolInternal) in C:\git\code\VisualCronAPI\Client\Client.vb:line 1082
at MBCLMFLGMBOCCCEFJEOEKIMIAHNAIIKIFAOO.OCHLGMNAHFPMFFMCCEGDNFOLGPFBABHFGOFM(Object , Connection , Boolean , Boolean , MBCLMFLGMBOCCCEFJEOEKIMIAHNAIIKIFAOO )
at ODNKNCFDHHPJPCMOFFIIHIOEPAPDAKPENFKF.BFKKBFHNMCPNGKDAMGHAALAAGFILDGDNGLPK.DALKILLGAPEOHGDIGPCALCDOLINFEGJDDNFJ(Object , Form& ) in C:\git\code\VisualCron\Connection\apiConnection.vb:line 118
at ODNKNCFDHHPJPCMOFFIIHIOEPAPDAKPENFKF.BFKKBFHNMCPNGKDAMGHAALAAGFILDGDNGLPK.Connect(Object sc, Form& invokeForm) in C:\git\code\VisualCron\Connection\apiConnection.vb:line 258
at ODNKNCFDHHPJPCMOFFIIHIOEPAPDAKPENFKF.BFKKBFHNMCPNGKDAMGHAALAAGFILDGDNGLPK.Connect(Object strServerId, Object invokeForm) in C:\git\code\VisualCron\Connection\apiConnection.vb:line 239
at ODNKNCFDHHPJPCMOFFIIHIOEPAPDAKPENFKF.EAMPGCAANJCFGONBNPIDNGPFDDBHJMILKHOH.ConnectToServer() in C:\git\code\VisualCron\Connection\clsConnector.vb:line 26
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart())'

Do you want to try reconnecting?