Saturday, April 15, 2017 3:37 PM Right-click Default.rdp -> Open with -> Choose another app -> More apps -> Notepad. (Alternatively, open Notepad and choose open from there) For assistance, contact your system administrator or technical support. Actually RDP uses CredSSP (Credential Security Support Provider Protocol) which is an authentication provider that processes authentication requests for applications. Open it in Notepad, change to: authentication level:i:0 and add line: enablecredsspsupport:i:0 Now RDC works like it used to, that is.. you can actually see the remote screen and login there, rather than a modal on your own PC. Press Windows key + R to open up a Run command. Next, type “gpedit.msc” and press Enter to open the Local Group Policy Editor. So it is not just remote desktop. Now, open the Default.rdp file in Notepad. By lowering the setting to less secure for others to connect to the PC, the PC can now successfully connect to the VPN. It might have even dated back to the first RDP server install or perhaps it was part of an administrative RDP setup. Both of the Authentication servers are virtual, one is running on a VMWare box and the other is on a brand new Hyper-V box. Lower Your Remote Desktop Security to have the Security to Make the VPN Connection Apparently, the Remote Desktop setting on the client side impacts its ability to connect via VPN to the host side. removed RD session host from collection, deleted certificates from computer personal store on RD session host (this was plausible in my scenario), removed RD session host role, redeployed RD session host role from central RD administration. Remote Desktop Connection: The system administrator has restricted the type of logon (network or interactive) that you may use. Solution: Update:No Remote Desktop Certificates to remove, so that solution did not apply (saw it online).Removed and re-added to AD Domain. Recently Microsoft found that a remote code execution vulnerability (CVE-2018-0886: encryption oracle attack) exists in CredSSP versions. Regardless, it was certainly the cause of my problem. As soon as I disabled that policy for our RDP server policy object and updated the hosts with gpupdate, those WMI values reverted back to defaults and everything worked perfectly. That did not I have a W7 x64 SP1 system that will not connect to ANY remote desktop sessions, despite the fact that any other system can to the same RDP hosts. We are having the same 0x80004005 when attempting to RDP into other servers, though that also is intermittent as well. 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