Remote desktop connection protocol error 0x112f

Question

When I try to connect to Windows 2012 Server using Remote Desktop Connection  I m connected for about 1 sec  and then disconnected with following error      Because of a protocol error  code  0x112f   the remote session will be disconnected    Until yesterday  connection was working fine with no error  no server changes  I never saw this error before  I tried to lower visual appearance settings in Experience panel  found as possible solution to similar error   but with no result

User · Answer

Resized VM with more memory fixed this issue

User · Answer

Might not be a solution for all but I found that if I reduced the screen resolution of the RDP session  I was able to get in  The server was at 95  capacity I went from 3 high res monitors to 1 800x600 window

User · Answer

This error may be triggered by insufficient memory on RDP server    After few tries with this error  RDP managed to get a connection to the server and I was able to stop a bogus service consuming too much memory  This can be done also with sysinternals or sc

User · Answer

Server restart helped  I m able to connect to server again

User · Answer

If anyone comes to this thread and has this issue when you remote to a VMware VM with windows 10 1903  disabling 3d in the graphics card worked for me

User · Answer

There may be a problem with the video adapter  At least that s what I had  I picked up problems immediately after updating Windows 10 to the 2004 version  Disabling hardware graphics     solved the problem  https   www reddit com r sysadmin comments gz6chp rdp issues on 2004 update

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A simple thing  Disable the vsphere options 3D for the virtual maschine   It works perfect  When you want  reinstall the vm-tools for the virtual maschine

User · Answer

I got the same error recently  I think McX is right it was caused by insufficient memory on RDP server  Here is the solution that works for us    use sc cmd to get running services on the remote server  Make sure you can use windows explorer to access the remote server   remote server      sc    lt remote server gt  query  find out the service you can stop      sc    lt remote server gt  stop  lt service name gt     After stopping one service  the remote desktop works again

User · Answer

If the server accessible with RPC  basically  if you can access a shared folder on it   you could free some memory and thus let the RDP service work properly  The following windows native commands can be used   To get the list of memory consuming tasks   tasklist  S  lt remote server gt   V  FI  MEMUSAGE gt 10000    To kill a task by its name   taskkill  S  lt remote server gt   IM  lt process image name gt   F    To show the list of desktop sessions   qwinsta exe  SERVER  lt remote server gt    To close an old abandoned desktop session   logoff  lt session id gt   SERVER  lt remote server gt     After some memory is freed  the RDP should start working

[remote-desktop] Remote desktop connection protocol error 0x112f

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