When PC is ON, i can access all AMT features such as KVM, turn it ON, power cycle, reset etc. I can also turn OFF the PC, and if I do it BEFORE OS loads ( or if I remove OS drive altogether ) I can reach AMT while PC is OFF and turn it back ON. But once OS is loaded, and i shutdown PC (graceful or just long press on the power button ) AMT is unreachable until powering on the PC.
In the old configuration can you access the WebUI? Is respond to ping on? If you look at your DHCP server, can you "see" the ME's IP address, or does the ME physically get shut off? Maybe for some reason it is not waking on lan in this situation. I assume you are using dynamic IP and you have the option to share the IP address between the host and the ME turned on. I don't know what is different between your "old" usb config and the new one. What version of AMT is this and this is a desktop client - from your NIC, it sounds like AMT 9?
I've just checked the LEDs on the back of the motherboard (NIC LEDs) and difference is quite obvious. When I shut down ESXi with 'old' system, LED's on the NIC card in the back go completely dead. No flashing lights on any network activity.
I'm guessing that your "old" and "new" systems are not identical. Have you ever used tools such as wireshark to monitor the network traffic? Maybe you would be able to see what is happening. Is there anything in the even log?
I had some time to play with the Haswell system again this weekend and unfortunately it keeps happening no matter what OS is installed. After random shutdowns, i can not load ( or ping ) IP:16992 . There is not much I can do with Wireshark since system is completely unresponsive after shutdown so I have no way to turn it back on remotely.
Hardware configuration is exactly same, i havent touched the system between the shutdowns and system is plugged into the wall. I've tried 'dumb' UPS as well. Sometimes AMT is reachable after the shutdown but mostly its not.
I thought the whole point of vPro and AMT in general was to be able to connect to the Workstation as long as it has Network connectivity and power. Which logs would I need to pull to trbleshoot this further ?
Now when I execute a shutdown on the OS (Windows 8.1) usually there is one or more computer that becomes unreachable. This behavior is very random, the unreachable computers can range from all to none at times. When I looked at the back of the computers, I noticed that the all the computers do have the network lights switched on but the reachable computers blink a lot more often than the unreachable ones. What surprisingly fixes the problem is just unplugging the network cable and re-plugging it. E
3. Randomly some computers are not reachable and some are perfectly reachable via the webinterface. (reachable computers give status as off, powering on the reachable computers works, and computers start up normally just as expected.)
Can you clarify if you are running a VM? (The old thread you added this to had virtualization running).
It sounds as though the network connection is not being seen by the network ....have you tried switching ports to the switch?, Do you have different settings on the wake from sleep of the network cards?
Oh I am sorry, no VM here, standard windows8.1 installed on all 4 workstations. I have tried using different ports on the switch, but that doesnot help, the behavior is still as random as it can be. As for the power settings on the network card, I have now unselected the "Allow the computer to turn off this device" check-box, but this has also deactivated the "Allow this device to wake computer". The AMT is still working and is powering on the computer, so Ill leave it like this for now, since the behavior was random, I think Ill need more time to actually judge if it worked or not.
So, I changes did do something, maybe, I am not sure, 3 of the 4 systems seem to respond not with certainty, though my test has only been over a day. One computer still however has died twice on me. So, can you explain this AMT powerpackage and where I can find it?
I am sorry, for such silly questions, this is the first time I am working with this tech, my job was to implement a java backed server that the guys used to see if the systems are up and running and if not, they can do it, but I guess Ill have to first re-invent the wheel!! :P
So the point is to compare the power packages between ones that are working as expected and ones that aren't. Power packages changed somewhat over generations so not all options are available on older machines.
2 sites that have some good info on power packages (and their affect on wake capabilities) are
-and-all-in-ones/thinkcentre-m-series-desktops/thinkcentre-m92p?TabName=Manuals
_mebx_user_guide_for_db75en.pdf
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