Fix RDP Authentication Error Function Requested Is Not Supported

How to FIX: "The Function Requested is not Supported" in Windows Remote Desktop Connection.

• Open System Properties and select the Remote tab.
• Un-check (clear) the Allow connections only from computers running Remote Desktop with Network Level Authentication checkbox and click OK.

1. How do I fix a remote desktop authentication error?
2. How do I fix Remote Desktop Error Credssp?
3. Why is my RDP not connecting?
4. How do you fix an authentication error has occurred the Local Security Authority Cannot be contacted?
5. What is the meaning of authentication failed?
6. How do I enable CredSSP authentication?
7. How do I know if CredSSP is enabled?
8. What is CredSSP authentication?
9. How do I troubleshoot an RDP connection?
10. Why is my RDP so slow?
11. Can ping but can't RDP?
12. How do I disable NLA in Remote Desktop?
13. What is RDP NLA?

How do I fix a remote desktop authentication error?

How can I fix Remote desktop authentication errors?

1. Press the Windows key + R hotkey.
2. Enter sysdm. ...
3. Then select the Remote tab.
4. Deselect the Allow connections only form computers running Remote Desktop with Network Level Authentication (recommended) option on the Remote tab.
5. Press the Apply and OK buttons.

How do I fix Remote Desktop Error Credssp?

How to fix it?

1. Go to Computer Configuration -> Administrative Template -> System -> Credentials Delegation -> Encryption Oracle Remediation.
2. Double Click on “Encryption Oracle Remediation”, choose “Enable” and change protection level to “Vulnerable” and click “Apply” or “Ok”

Why is my RDP not connecting?

The most common cause of a failing RDP connection concerns network connectivity issues, for instance, if a firewall is blocking access. You can use ping, a Telnet client, and PsPing from your local machine to check the connectivity to the remote computer. Keep in mind ping won't work if ICMP is blocked on your network.

How do you fix an authentication error has occurred the Local Security Authority Cannot be contacted?

For example, some users have seen an error like this when trying to login “Remote Desktop Connection: An authentication error has occurred. The Local Security Authority cannot be contacted”. ... If only affecting one user, try to reset the users's password and uncheck the box by “change password at next logon”.

What is the meaning of authentication failed?

An "Authentication Failed" error means the email server cannot verify that your email access is authorized. This is typically due to a mistyped password, but it can also be caused by an incorrect username, connecting to the wrong server, or blacklisting.

How do I enable CredSSP authentication?

Enabling CredSSP for WinRM in Secret Server:

1. Go to Administration -> Configuration.
2. Click Edit.
3. Check "Enable CredSSP Authentication for WinRM" and Save.

How do I know if CredSSP is enabled?

The Get-WSManCredSSP cmdlet gets the Credential Security Support Provider-related configuration of the client and the server. The output indicates whether Credential Security Support Provider (CredSSP) authentication is enabled or disabled.

What is CredSSP authentication?

The Credential Security Support Provider protocol (CredSSP) is a Security Support Provider that is implemented by using the Security Support Provider Interface (SSPI). CredSSP lets an application delegate the user's credentials from the client to the target server for remote authentication.

How do I troubleshoot an RDP connection?

To work around this problem, follow these steps: Click Start, click Run, type gpedit. msc, and then click OK. Expand Computer Configuration, expand Administrative Templates, expand Windows Components, expand Remote Desktop Services, expand Remote Desktop Session Host, and then click Connections.

Why is my RDP so slow?

Slow connection. If your Remote Desktop connection works, but feels slow or disconnects at times, you should try updating the network drivers. Download the latest Virtio drivers for Windows.

Can ping but can't RDP?

Can you ping your server, but still can't connect over RDP? It is likely an issue with the RDP service or your firewall. You'll need to contact your hosting company to get assistance with the service or firewall.

How do I disable NLA in Remote Desktop?

Windows 8 and Windows Server 2012/Windows Server 2012 R2

1. Open the Control Panel. Ensure that the control panel is showing items by Category. ...
2. Under the Remote Desktop group deselect the option Allow connections only from computers running Remote Desktop with Network Level Authentication (recommended)

What is RDP NLA?

One of the key benefits of Enhanced RDP Security is that it enables the use of Network Level Authentication (NLA) when using CredSSP as the external security protocol. Certificate management is always a complexity, but Microsoft does provide this through the use of Active Directory Certificate Services (ADCS).