In this guide, you will learn how to fix the Remote desktop connection protocol error 0x112f.
When you’re trying to connect to a windows server you might encounter the error as seen below.
Because of a protocol error (code: 0x112f), the remote session will be disconnected.
There are three possible issues that are causing this error:
- Resolution error.
- Enabled option “Use all my monitors for the remote session”.
- Persistent bitmap caching is enabled.
How to change the resolution quality
If you are encountering error 0x112f due to a resolution conflict, this section will guide you on how to solve the error in Windows Remote Desktop Connection.
1. Search and open Remote Desktop Connection or mstsc.
2. Once Remote Desktop Connection is open, click on Show Options.
3. Next, navigate to the Display tab.
4. Choose an adequate resolution, ideally High Color (16-bit).
5. Finally, try to connect to the RDP by clicking on the Connect button.
How to disable the “Use all my monitors for the remote session” option
If you are encountering error 0x112f due to the setting Use all my monitors for the remote session, this section will guide you on how to disable this option in Windows Remote Desktop Connection
1. Search and Open Remote Desktop Connection or mstsc.
2. Once Remote Desktop Connection is open, click on Show Options.
3. Next, navigate to the Display tab.
4. Uncheck the option Use all my monitors for the remote session.
5. Finally, try to connect to the RDP by clicking on the Connect button.
How to disable bitmap caching
If you are encountering error 0x112f due to Persistent bitmap caching, this section will guide you on how to disable this option in Windows Remote Desktop Connection.
1. Search and Open Remote Desktop Connection or mstsc.
2. Once Remote Desktop Connection is open, click on Show Options.
3. Next, navigate to the Experience tab.
4. Uncheck the option Persistent bitmap caching.
5. Finally, try to connect to the RDP by clicking on the Connect button.
