![]() Don’t ask me how I found it because I had been googling all day □ Anyway, here’s a part from the article: I googled even more and came across an article about Wake on Demand and Bonjour Sleep Proxy. I’ve set up nothing, but the Mac still suffers from insomnia. And no, I’ve NOT set up a scheduled sleep and wakeup. It can also be from launchd setting, user applications, backups, and other scheduled events.įrom this same source (and many others) I could also find out that “it’s documented on Apple’s site that Wake for network access will cause random wake-ups by just running the hard-drives but not starting up the screen and it will go immediately back to sleep.” RTC: Real Time Clock Alarm, is generally from wake-on-demand services like when you schedule sleep and wake on a Mac via the Energy Saver control panel. How would you connect to a Mac if it’s sleeping and there is no way of waking it? Here’s an explanation of the term RTC: This is probably fine for a home network, but not on a corporate network. I googled like crazy and all the solutions I found suggested that I should turn off Wake for network access altogether (Fig 1) to get rid of this random wake up-problem. Obviously, no one was present at the computer at that time. Nov 26 00:22:55 xxxxx kernel: Wake reason: RTC (Alarm) If you investigate the system log it won’t give you that much information about the random wake-ups: No such option exist in Mavericks, and I only want to wake up the computers with a magic packet sent from LAN (and by me). This behavior has apparently changed from OS X Snow Leopard, where you had the option to just enable or disable Wake on LAN. ![]() ![]() This will not be good for the hardware either. This is a bad thing, as I DO NOT want the computers waking up every second hour or so for no specific reason. It turned out that the “Wake for network access” feature in Energy saver wake up the computers at random, not only by a magic packet or remote login. However, when I was trying to come up with a decent solution for managing/connecting to them remotely I ran into some problems. They are all joined to Active Directory domain and working just fine. I recently installed a Mac classroom with eight 27” iMac’s. ![]()
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