{"id":240,"date":"2011-04-12T14:29:41","date_gmt":"2011-04-12T18:29:41","guid":{"rendered":"http:\/\/www.cs.toronto.edu\/~jhancock\/wlog\/?p=240"},"modified":"2011-04-12T14:29:41","modified_gmt":"2011-04-12T18:29:41","slug":"windows-clients-choosing-incorrect-dns-server-from-dhcp","status":"publish","type":"post","link":"http:\/\/www.cs.toronto.edu\/~jhancock\/wlog\/?p=240","title":{"rendered":"Windows Clients choosing incorrect DNS server from DHCP"},"content":{"rendered":"<p>Discovered an interesting problem with windows xp and 7 clients in an active directory domain(although this may happen to non-ad clients as well).\u00a0 If\u00a0 the dhcp server has several different DNS servers for different groups of clients, and\u00a0a default\u00a0is overridden by the others, the override doesn&#8217;t go into affect when a lease is acquired on reboot (only a manual renewal seems to get it).<\/p>\n<p>The fix was to set up the dns options so that no &#8220;default&#8221; existed (i.e. the other groups each got the same entry placed inside a subgroup for them).\u00a0 Then both the windows and other clients picked up their own dns options with no overrides.<\/p>\n<p>Essentially, what I did was move<\/p>\n<pre>\u00a0option domain-name-servers 192.168.2.1<\/pre>\n<p>\u00a0into<\/p>\n<pre>\u00a0group ( ),<\/pre>\n<p>so that no default exists.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Discovered an interesting problem with windows xp and 7 clients in an active directory domain(although this may happen to non-ad clients as well).\u00a0 If\u00a0 the dhcp server has several different DNS servers for different groups of clients, and\u00a0a default\u00a0is overridden by the others, the override doesn&#8217;t go into affect when a lease is acquired on [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[91,92,94,64,93],"_links":{"self":[{"href":"http:\/\/www.cs.toronto.edu\/~jhancock\/wlog\/index.php?rest_route=\/wp\/v2\/posts\/240"}],"collection":[{"href":"http:\/\/www.cs.toronto.edu\/~jhancock\/wlog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cs.toronto.edu\/~jhancock\/wlog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cs.toronto.edu\/~jhancock\/wlog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cs.toronto.edu\/~jhancock\/wlog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=240"}],"version-history":[{"count":1,"href":"http:\/\/www.cs.toronto.edu\/~jhancock\/wlog\/index.php?rest_route=\/wp\/v2\/posts\/240\/revisions"}],"predecessor-version":[{"id":241,"href":"http:\/\/www.cs.toronto.edu\/~jhancock\/wlog\/index.php?rest_route=\/wp\/v2\/posts\/240\/revisions\/241"}],"wp:attachment":[{"href":"http:\/\/www.cs.toronto.edu\/~jhancock\/wlog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cs.toronto.edu\/~jhancock\/wlog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=240"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cs.toronto.edu\/~jhancock\/wlog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}