Wake PC on RDP connection?

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  1. johngalt
    Posts : 4,364
    Windows 11 21H2 Current build
       New #11

    OK, so I have RD set up on W7 and on my laptop (also W7) so I can access it from home. The problem I have is that the laptop will not connect - stating that the connection failed. I know that the computer goes to sleep on its own, as that is how I have it set, and I have WOL enabled for both NICs on the system, and my Router is set to forward RD sessions to my IP.

    What I cannot figure out is why it will not wake - however, I went back to play with it tonight and when I changed the RD settings, I see that it gives the following warning:

    Wake PC on RDP connection?-rd-settings-1-current-settings.png Wake PC on RDP connection?-rd-settings-2-after-changing-settings.png

    As you can see, according to the warning RD doesn't work with machines set to sleep / hibernate. According to this thread, it is supposed to - or is it?

    My power options with regard to Sleep are as follows:

    Wake PC on RDP connection?-rd-settings-3-power-options.png Wake PC on RDP connection?-rd-settings-4-power-options-2.png

    So far, no luck with the NIC WOL - if I enable "Allow the system to turn off this device, then only do I get the option to enable WOL - so, currently, both are enabled (and I have not enabled WOL w/ MP only):

    Wake PC on RDP connection?-rd-settings-5-nic-power-settings-1.png Wake PC on RDP connection?-rd-settings-6-nic-power-settings-2.png

    I'll try out that WOLGUI next to see if it works on this machine....
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  3. johngalt
    Posts : 4,364
    Windows 11 21H2 Current build
       New #12

    I just tried this locally - my laptop was still not able to wake my desktop up.

    Time to see about WOL GUI
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  4. johngalt
    Posts : 4,364
    Windows 11 21H2 Current build
       New #13

    Hmmm - WOL GUI needs a MAC - I suppose I am supposed to always keep that MAC address handy?
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  6. johngalt
    Posts : 4,364
    Windows 11 21H2 Current build
       New #14

    Hrm....I think that for now I am going to just have my machine not go into sleep mode....
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  7. johngalt
    Posts : 4,364
    Windows 11 21H2 Current build
       New #15

    I found a solution - of sorts.

    After setting the NICs to allow to be woken up, I found that if I tried to remote into the machine, then waited about 2 minutes or so, and then tried to remote in, it was woken up.

    But, to avoid the hit and miss I found a better solution - at least for me.

    SetPower - dynamically adjust your power settings
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  8. kegobeer
    Posts : 2,913
    Windows 7 Ultimate x64 SP1
       New #16

    johngalt said:
    Hmmm - WOL GUI needs a MAC - I suppose I am supposed to always keep that MAC address handy?
    I wrote a batch file for each computer I need to wake up using WOL, so I didn't have to remember each MAC address.
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  10. MattD
    Posts : 2
    Windows 7
       New #17

    I noticed the same issue as Pucker


    I installed Windows 7 on a PC, enabled WOL and it worked flawlessly. Immediately after joining it to a Windows Server 2008 R2 Domain Controller, WOL stopped working, sort of. I have since learned Win7/08R2 has advanced power management related to waking PC's up:

    "Support for Green Computing
    With improved Wake on LAN (WoL) support, Windows 7 computers can reduce electricity consumption by going to sleep and staying asleep longer. Fine-grain control over wake-up packets keeps the PC asleep longer. Protocol offload to the network adapter allows a sleeping PC to remain reachable by network management tools without being woken up. Windows 7 also supports Wake on Wireless LAN (WoWLAN), which extends sleep scenarios to wireless client computers."

    I believe this is so PC's remain asleep in an enterprise environment where there is likely a lot of netork traffic that could potentially wake them up constantly. That being said, after joining the Win7 client to an 08 R2 D.C., a simple ping would no longer wake the computer (it did beforehand), but attempting to access the client from the D.C. via Windows Explorer (i.e. \\clientname\C$) will wake it every time.

    Ultimately I would like to be able to wake the client PC when I attempt to directly remote desktop into it and not have to go through the server to do it. I have searched up and down for a setting (server and client side) or group policy that addresses this but have been unsuccessful in finding it thus far. If anyone can shed any light on this it would be much appreciated. I should note that I have used this identical setup with Windows Vista/Server 2008 and it worked every time. Thanks.

    More links on new power features in Windows 7:
    NDIS Power Management Overview
    WOL Methods in Windows 7
    Protocol Offloads for NDIS Power Management
    Low Power for Wake on LAN
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