The solution of "the required function is not supported" in win10 remote desktop connection is to modify the Registry [easy to understand]

Hello everyone , I'm wang Jun , An architect who can write code and recite poetry . Let's talk about it today Win10 Remote desktop connection appears “ The requested function is not supported ” The solution is to modify the registry [ Easy to understand ], I hope it can help you make progress !!!

causes

I'm doing my own server on Alibaba cloud , There is one Windows Server It has to be managed through a remote desktop connection , Because it didn't turn off completely Win10 Bring your own annoying system updates , This caused the remote desktop connection problem after the update was installed yesterday “ The requested function is not supported ” The problem of .

Problem description

Use the remote desktop connection tool to connect to other hosts ：

Tips “ An authentication error occurred . The requested function is not supported . Probably because of CredSSP encryption Oracle correct ”.

Try to solve it but fail

Because I installed Windows 10 Home version of , After checking the online methods, I found that I didn't have a group policy editor （ Call it out online Group Policy Manager And then there was no encryption Oracle correct project ）, stay Uninstall or install programs The two patches mentioned in other experts' blogs are not installed in （KB4103727 and KB4131372）, But this problem has arisen , It is speculated that it may be brought about by other patches .

The new method （ Apply to Windows 10 Home Edition ）

This method solves this problem by modifying the registry . Take a note , In case of encountering this problem again in the future . 1. Use it on the desktop Win + R Key combination call up function window , And enter the regedit （ Registry editor ） Back carriage return ;

2. Find the path layer by layer in the left column of the registry editor

Computer \HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\CredSSP\Parameters

Tips ： If you expand to System after , Found no CredSSP This item , Please perform the following two steps ： 2.1. stay System On Right click -> newly build -> term , Rename the new item CredSSP; 2.2. stay CredSSP On Right click -> newly build -> term , Rename the new item Parameters; 3. stay Parameters On Right click -> newly build -> DWORD (32 position ) value , Change the new value name to AllowEncryptionOracle, When finished, double-click the name （ If you already exist , Just double click ）, A dialog box will pop up ：

4. In the pop-up edit window , Change the numerical data to 2, Sure you can. ; 5. Try connecting to remote desktop again , If it still doesn't work, please restart the computer and try connecting to the remote desktop again .