First of all, i will highly recommend buy a cheap rdp from rdpwindows.com, you will get high quality servers with no issues
Now,
If you are trying to connect to your server, and if you are connecting from is not patched to the latest level, you may receive the following error.
Method 1: CMD OR COMMAND LINE AS ADMIN
You can launch the following from an elevated (administrator-launched) CMD or command line:
REG ADD HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\CredSSP\Parameters\ /v AllowEncryptionOracle /t REG_DWORD /d 2
Method 2: Regedit
Run “regedit.exe” and go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\CredSSP\Parameters
There, add a DWORD value “AllowEncryptionOracle” and set it to 2.
Method 3: Local group policy editor
Run the command “gpedit.msc”. There, go to
Local Computer Policy\Computer Configuration\Administrative Templates\System\Credentials Delegation
Double-click the line “Encryption Oracle Remediation”. Set it to Enabled with Protection Level = “Mitigated”: