"Authorization Wire Exception"

[smokeydan]

A coupe of weeks ago, after I'd been running a PT session for an hour or so with no issues, I had an error message which began "Authorization Wire Exception" and then something related to not finding a valid licence on the iLok, although I was unable to take a screen shot so I can't remember the exact words.

I relaunched PT and all was well again, until today - I launched a client's session for the first time, I worked on it for 10-15 minutes and then was interrupted by a string of around 7 or 8 error messages. All began with "Authorization Wire Exception", but then there were a variety of different explanations in each error window, the last two of which were...

"Pro Tools Prerelease cannot run, because an error occurred.
Encrypted Channel Bad Channel ID"

and

"Pro Tools 11 cannot run, because an error occurred.
Encrypted Channel Bad Channel ID"

there were others which related to plug in licences not being found.

Are these familiar to anyone? I'm thinking it's related to the iLok- do I have a defective dongle? or a bad/intermittent USB connection?

When I searched "Authorization Wire Exception" there were various threads relating to issues with the iLok server, and having previously had a demo PT licence on the iLok - but none of the threads seemed to be completely resolved.

Anyone else had this?

Pro Tools 11.3.1HD, HD/Native PCIe, Omni interface, Mid 2010 Mac Pro 5,1, OSX 10.9.5

Many thanks

Dan