So, what could possibly make a remote server believe it did not get correct credentials, even though it did, and also be dependent upon the version of the originating Operating System? The error there is "an account failed to log on" with "Unknown username or bad password". I can verify that we are actually reaching the remote server and it is not a networking issue because the failed authentication attempts show up in the remote server's Event Viewer with the originating PC identified by name.
The password is provided in \ format where is the name of the local server we are trying to connect to. I have verified that the case of the PC name and the username are being provided exactly correctly as well, again by entering them myself, even though this should not matter.
We have typed them and copied and pasted them from our password management software dozens of times, and I have personally entered it myself often so I know it's not just user error fat fingering the password. I know, we should be on Windows 10 anyway, and we're rolling it out ASAP, but this needs to be resolved faster than we can rebuild all the PCs that have to have access with a new OS, so we still need to figure out what is wrong.Įvery login attempt from non-working machines comes back saying, "The credentials that were used to connect to did not work" even though we are sure that they are correct. But we have one single person on Windows 7 who can get into the remote server using the exact same process. So if it was just a Windows 7/Windows 10 difference we'd assume it's something about how RDP is implemented between OS versions. We are accessing the remote server by IP address and our IP is the only one allowed to access the RDP protocol at the site, so you have to be accessing from inside our building. There is a local account on the remote server (not a domain account) that they gave us credentials for. The server is administered by us, but owned by a client who did the initial setup and joined it to their domain. Unfortunately it's become a critical issue now and we are out of ideas. This has a bunch of us stumped and we can't figure it out.