Set the following registry value via regedit.exe: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server You can try to change the maximum outstanding connections limit on your RDP server via the registry.
Right click your self-signed certificate RDP cert and delete it (if there are several RDP certs, remove them all).Go to the following certificate section: Remote Desktop > Certificates.Open local computer certificates MMC snap-in, by running the certlm.msc command.Next, try to recreate the RDP certificate:
