Did you restart the VM after the change and it has to be done on all the VM where client and server are running . Make sure TLS 1.0 and TLS 1.1 are disabled .
Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\ and make sure in folders TLS1.0 and TLS1.1, enabled setting is 0.
To enable the installation to support the TLS 1.2 protocol, follow these steps:
Start Registry Editor. To do this, right-click Start, type regedit in the Run box, and then select OK.
Locate the following registry subkey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319
Create the following DWORD value under this key:SchUseStrongCrypto [Value = 1]
Locate the following registry subkey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\.NETFramework\v4.0.30319
Create the following DWORD value under this key:SchUseStrongCrypto