Posts Tagged remote desktop client

An authentication error has occured (Code: 0×80090303)


An authentication error has occurred (Code: 0×80090303)


An authentication error has occured (Code: 0x80090303)

An authentication error has occured (Code: 0x80090303)

I got this message today after setting up a very basic VPN with Server 2008 (yes, an article for that is coming).
After logging on successfully to the VPN, I noticed I couldn’t ping my server by name.  I chalked this up to a badly (or rather, mis-) configured DNS server.  I could ping the IP, though, so I plugged that into the remote desktop client.

Lo and behold, the above error message appeared.
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Originally posted 2009-07-13 09:00:34.

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Remote Desktop Beep, Server 2008

I’ve noticed that since installing Server 2008, audible beeps come through to my local computer. I’ve tried tweaking the remote desktop client settings, to no avail. I know this is a common issue – here’s the fix.

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Originally posted 2009-07-01 09:00:00.

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The remote computer requires Network Level Authentication, which your computer does not support.

Update:  I have created a registry file which makes these changes for you.  Please see the disclaimer below.  Download the file here.  Simply run it to merge the registry changes, and reboot for the changes to take effect.


If you get this message, it’s because you’re trying to connect to a computer which uses a newer version of the remote desktop protocol, which supports a higher level of encryption.  The connection will not go through because you are using an older version.

If you’re using Windows XP, make sure you are up to date with windows update.  You will need to be using service pack 3 for these instructions to work.  Also make sure there are no updates for the remote desktop client listed in windows update.

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Originally posted 2009-06-30 23:34:14.

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