RDP Unable to reconnect error and unable to open any further RDP connections

RDP Unable to reconnect error and unable to open any further RDP connections

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Issue: When connected via RDP to x number of sessions (as few as one), I'm experiencing an error when I press the reconnect button. Error message states "Unable to reconnect". At the same time, when I connect to a new RDP session, a new tab will open, but the session does not appear to attempt to connect; just a blank white tab.


RDM 10.6.7
Windows 8.1

All Comments (6)

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Can you reproduce this with RDM 11 or on another machine?

David Hervieux

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Good idea but won't that force me to upgrade the DB?

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Yes unfortunately you will need a database update but it's backward compatible. Just make sure you make a backup before and you could wait on Monday because our DBA will be available in your get any trouble with the update.

David Hervieux

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Bad news/good news: The error still occurred in version 11, but the good news is that you guys added some instrumentation/telemetry to the product and it reported back the error via email.

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Hello Joe,
Here the error details:

COMException - Illegal operation attempted on a registry key that has been marked for deletion. (Exception from HRESULT: 0x800703FA)

This means that you need to reboot your computer and retry. It seems that Windows has a pending update. Perhaps this error hides the real problem. Could you reboot and retry?

David Hervieux

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You're right it was reboot pending. I rebooted and I'll keep an eye on it. The error reporting is a nice feature so kudos.