Mac server slowing down your network?

I had only been tinkering with MacOS X for a few days when I had my first annoyance yesterday. It might have been just my fault, but judging by the amount of Google result on this problem, I thought I’d just quickly write out my solution.

The symptoms:

– Server Admin takes 5 minutes to actually appear, before that it’s shown as “not responding” in Activity Monitor.
– Server has a working internet connection, but you can’t load updates or a web page in Safari.
– Overall, all computers in your network are taking forever to load web pages, almost looks like your ISP put you on limited bandwidth.

The cause (in my case):

– I had done a few consecutive installs of the OS to dial in the ideal settings. When you select some of the options under “What is this server going to be used for?”, the wizard starts up DNS service automatically. Apparently, this new DNS server is stored in your Airport Extreme base station.
– With every page you load, your computer goes knocking on your server’s door for DNS info which obviously isn’t there, resulting in a prolonged load time.

The solution (in my case):

– Open up Airport Utility > Manual Configuration > Internet and delete the local DNS server (10.0.1.x).

Your Airport base station will automatically reboot, relaying all updated DNS info to the computers in your network. Et voila … your at full speed and your server will respond normally once again.

I hope this post will help frustrated users restoring faith in their MacOS X server. If not, good luck looking for your particular solution.

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One response to “Mac server slowing down your network?”

  1. stylembe says :

    When you say Manual Configuration, do you mean this – http://twitpic.com/507haj/full ? I tried doing what you recommended but csn’t see local DNS server (10.0.1.x). Thank you, Peter

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