Ctrl+Alt+Del for ConfigMgr Remote Control
ConfigMgr Remote Control would show me the screen, but I could not send Ctrl+Alt+Del. I had to set this Group Policy setting to get it to work:
Computer Configuration > Administrative Templates > Windows Components > Windows Logon Options > Disable or enable software Secure Attention Sequence
Set the policy to Enabled, the option to “Services and Ease of Access applications”
Alternatively, here is the registry key that you can define:
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System]
“SoftwareSASGeneration”=dword:00000003