To test if NLA is the cause:
: mstsc.exe is the legitimate Microsoft Remote Desktop Connection client used to connect to other computers over a network.
It ensures that when you reconnect to a specific machine, your preferred settings are loaded automatically [1]. Why You Might See This Identifier You will generally encounter this GUID in three scenarios: mstsc-4b0a31aa-df6a-4307-9b47-d5cc50009643
:If you want to view the entry details yourself, you can find them at: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\mstsc-4b0a31aa-df6a-4307-9b47-d5cc50009643 .
of MSTSC + GUID usage
When looking at HKCU\Software\Microsoft\Terminal Server Client\Servers , you may see a long list of these alphanumeric codes representing different remote machines [1].
To find the specific error associated with this ID: To test if NLA is the cause: : mstsc
Open Credential Manager in the Control Panel and remove any saved credentials related to the remote server [3].
The specific ID itself does not indicate the error; it is merely a fingerprint for the session. The most common reasons for these logs appearing include: of MSTSC + GUID usage When looking at
If the error logs suggest an encryption failure or "CredSSP" errors: