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 Hi!

I can only guess here. According to the documentation the error code doesn't exist, but I think MS is a bit sloppy updating their docs. However, there is one error code which starts with the numbers 28:

http://msdn.microsoft.com/en-us/library/aa382170(VS.85).aspx

disconnectReasonEncryptionError
2822
0xB06

Encryption error.

So a wild guess would be it has something to do with encryption. And as we all know, is Vista and Windows 2008 much more secure than everything else 

Do you have any default policies or terminal settings on those machines which may be responsible for such an error?

In my environments we use Windows 2008 and Vista using the default settings and we have no problems at all.

cheers

Stefan

 Of course! I totally forgot that. It's already routine for me when enabling terminal services on those machines I always select the "less secure" option.

I will take your case to extend the FAQs with this information.

Thanks.

cheers

 Do you get the same error code? Can you take a look at the Royal TS log, the event logs on the client and server as well? I guess it's working with the shipped mstsc.exe, isn't it?

cheers

 There is no log file for Royal TS, there's just the build-in logging. Judging from the error code it has something to do with encryption. 

Please check the following on the server side:

Open the Terminal Services Configuration MMC (in the Administrative Tools->Terminal Services)

Open the properties for the RDP-Tcp connection.

In the general tab, ensure that Security Layer is set to Negotiage; Encryption Level is set to Client Compatible; the last checkbox Network Level Authentication is NOT checked.

Also for your redirection problem, go to the Client Settings tab and ensure that Windows Printer and Drive is not checked in the list.

cheers

Stefan

 I wasn't able to take a closer look at NLA yet. But if the ActiveX control offers an easy way to implement it, it will be on board in one of the next releases.

cheers

Stefan