My hopes were dashed that 2.1.17 would be the last in the 2.1.x codebase when several new bugs were discovered. 🙂 Maybe this will be the last 2.1.x version before 2.2 -- or am I just jinxing the whole thing?

Download links...

x86 MSI: http://www.avianwaves.co...rdtabs/rdtabs_2.1.18.msi 
x86 Zip: http://www.avianwaves.co...rdtabs/rdtabs_2.1.18.zip 
x64 MSI: http://www.avianwaves.co...tabs/rdtabs64_2.1.18.msi 
x64 Zip: http://www.avianwaves.co...tabs/rdtabs64_2.1.18.zip 

Changelog...

- Changed redial behavior slightly. Previously, it would only redial if the connection returned an error. Now, redial happens anytime the connection terminates while connecting. Once a connection is established, it will no longer redial. The reason for the change is primarily because Server 2008 tends to return error code 3 (user cancelled remote session) when it is not ready to receive remote connections because it is shutting down. So if you connect with redial while a server is shutting down, wanting it to just wait until the server is ready for you automatically, you were out of luck! The second reason is that it didn't really make sense to stop redialing on a non-error result like how it does for auto-reconnect on network issues. The user most likely wants RD Tabs to just keep trying until the server answers, regardless of the error code. Whereas with the network issues, you probably don't want it to reconnect after you intentionally disconnect.
- Changed the redial label as a result of the above. It now says "Redial on connection failure."
- The disconnection code mentioned above has been changed to say "Session was disconnected remotely by user or computer" since Server 2008 now uses it to inform a remote desktop client that it is not ready to receive connections. (In Server 2003 and older, you would only see this error if you disconnected intentionally.)
- Disconnection code 2825 was added. This value is returned when the remote computer requires NLA but NLA is not enabled. Brief instructions are also given on how to enable NLA in RD Tabs for a session.
- Fixed a bug where if you start RD Tabs from one command line and then issue commands from another command line after closing the first one, RD Tabs would no longer respond to commands from the command line. Additionally, you would see an exception in the View Console Output window under Help.
- Added a more detailed exception handler in the LightWeight StatusBar. There's some arithmetic overflow getting reported on a few computers out there. I'm trying to figure out why. I can't seem to find a common cause.
- Added an option to the error reporter that allows you to include your email address if you want feedback on the error or if I have additional questions about what you were doing that caused an error. This is a completely OPTIONAL section! Feel free to leave it out.
- Fixed a bug where if you set a custom screen resolution higher than Pre-RDP 6.0 maximum values, saved it as a favorite, and then tried to edit the favorite, RD Tabs would crash because the value would exceed the .Net bounds check for the NumericUpDown control. RD Tabs now sets the maximum bounds to RDP 6.0 value when you are in the favorites editor. However, if you are using a pre-RDP 6.0 control registration (which is not a default RD Tabs installation at this point), RD Tabs will use the highest value it can on connection, if the maximum value is beyond what the control is capable of displaying.