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ARD not waking sleeping clients?

1192 Views 6 Replies Latest reply: Feb 6, 2013 10:42 PM by TeenTitan RSS
kristin. Level 2 Level 2 (230 points)
Currently Being Moderated
Feb 1, 2013 11:17 AM

I have ARD (3.6.1) running on one of my OS X Mountain Lion (10.8.2) admin machines and I'm having an issue where I can't wake sleeping machines, via ARD, on the LAN.


I'm building Lion and Mountain Lion "base images" for scaled deployment and I'd like to set them so that they go to sleep after X amount of time. But, for whatever reason, ARD can't wait these machines once they go to sleep. I've never found ARD very consistent on how it does WOL, but I was hoping that with clean installations of both Lion and Mountain Lion (up-to-date per OS), with up-to-date ARD clients, with client machines set to "Wake for Ethernet network access", etc., that it would finally work properly. But, I just can't get ARD to wake these sleeping machines.


Does anyone have any suggestions on why this might be happening? I rely on ARD for remoate management of all Macs I manage (for end-user support, maintenance, etc.) so I need to be able to "connect" to these machine. And without WOL working properly, I have to set our machines to never go to sleep (which is really annoying).


So, if anyone has any suggestions, it'd be greatly appreciated!




  • varjak paw Level 10 Level 10 (167,145 points)
    Currently Being Moderated
    Feb 1, 2013 11:20 AM (in response to kristin.)

    Are these workstations on the same subnet as your administrator system, or on different subnets? If they're on different subnets, that's most likely at least part of the problem. WOL uses Directed Broadcast, something most network administrators turn off in their routers to cut down chatter on the network. You might ask your network admin about this.



  • varjak paw Level 10 Level 10 (167,145 points)
    Currently Being Moderated
    Feb 1, 2013 11:45 AM (in response to kristin.)

    That's been my experience as well; sometimes it just doesn't work. There were a couple of utiltiies that were somewhat more reliable, working via the MAC address of the workstation. This one still exists:



    and may be worth a try.



  • varjak paw Level 10 Level 10 (167,145 points)
    Currently Being Moderated
    Feb 1, 2013 12:05 PM (in response to kristin.)

    That's what I ended up doing when I had to manage remote workstations, just leaving them awake. Or setting them to sleep only at night and wake up automatically in the morning (you can do this with pmset or a utility such as Faronics' PowerSave). ARD, while useful, just has never been particularly reliable.



  • TeenTitan Level 4 Level 4 (2,410 points)
    Currently Being Moderated
    Feb 6, 2013 10:42 PM (in response to kristin.)

    I found Understanding Sleep Proxy Service useful in troubleshooting some of the sleep/wake issues I was expeirncing. Perhaps it might be informative / useful for you.


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