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Off the top of my head, Active directory policies, user permissions, antivirus software, are you logged out when the other user attempts to connect, (Limit number of connections policy),
RDP authentication error 0x0
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(220.8, 23%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM7%3C/text%3E%3C/svg%3E)
MikkelLarsenLedet-7400
20
Reputation points
Hi
I've got several users receiving the following error, when connecting to a RDP - I myself don't get the error:
**
An authentication error has occurred.
The credentials supplied to the package were not recognized.
Remote computer: 127.0.0.1
Errorcode: 0x0
Extended error code: 0x0
**
All users are connecting from Win11 machines.
The RDP connection is not trying to connect to 127.0.0.1, and the credentials are the same for the users, and for me.
The connection is made through a shared gateway, so everyone comes from the same IP.
Any idea as to why the error occurs, and a possible solution?
Thanks in advance for any info given.
Windows for business Windows Client for IT Pros User experience Remote desktop services and terminal services
Windows for business Windows Server User experience Other
20,212 questions
{count} votes
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(291.2, 78%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELA%3C/text%3E%3C/svg%3E)
Larry Altobelli 0 Reputation points2023-06-28T20:49:56.2533333+00:00 Were you able to find a solution?
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(9.6, 63%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMB%3C/text%3E%3C/svg%3E)
Matthew Bechtol 491 Reputation points2023-06-28T21:07:16.3466667+00:00 -
Larry Altobelli 0 Reputation points
2023-06-29T14:35:35.26+00:00 Odd no domain. I did fix by logging into the laptop as another user then RDP into the computer, this did work. When I logged back in as the original user I could then RDP into the computer... Oddest thing and I have no explanation for it.
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(48, 51%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EF%3C/text%3E%3C/svg%3E)
Felix 0 Reputation points2024-04-05T08:32:55.81+00:00 Thanks for this. I had the same error code but solved it by intentionally trying to connect remotely with incorrect credentials. After that I used the correct credentials remotely (that had been rejected a dozen times already), which then immediately worked.
Odd to say the least.
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