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I can confirm that we also have this problem.
We are testing EEF 4.1 with MA 4.6.2. With EEFF 4.1 you cannot eject a USB device with the messages you have stated. This did not happen with EEFF 4.0 so suspect it is bug in 4.1.
Further testing shows you can eject if done via My Computer and eject from there, but that is not acceptable and only a workaround.
Until fixed we shall not be rolling 4.1 out.
Do McAfee actually test their patch releases? ;-)
Were are also testing EEFF 4.1.0. at the moment and I also already noticed the locked USB devices.
After EEFF is installed it's not possible to safely eject an usb drive anymore.
Hopefully this will be fixed asap...
Raised a fault to McAfee via our reseller. I will keep you posted.
I can also confirm this with eeff 4.1, we have an incident open for it.
Additionnal data: We are using Windows XP in our environnement. The XP with limited privileges are having the messages, but if administrator rights are given, the behavior is not the same and USB can be ejected. Anybody with similar experience?
I have full admin rights on Win 7 32-bit machine and still have the problem. McAfee Tier2 have replicated in their labs and working on fix.
McAfee have officially recognised the problem - KBase article - https://kc.mcafee.com/corporate/index?page=content&id=KB77515&actp=LIST_RECENT
If you require the eject function to safely remove USB devices (which is probably most people) I would recommend you don't upgrade to EEFF 4.1 until McAfee issue a fix.
I have had a POC package from McAfee (EEFF 18.104.22.1688) to test and it resolved the problem i.e. USB device now safely ejects. I will now wait for a RTW update, before deploying to my live enviroment.
Many thanks for the update.
Do you know when a RTW update for EEFF 4.1 will be released?
Fix for this issue will be available as part of 4.1 Patch 1 release scheduled for early next quarter (early Q2 2013)