{"id":452,"date":"2011-06-12T16:33:00","date_gmt":"2011-06-12T16:33:00","guid":{"rendered":"https:\/\/www.geekmungus.co.uk\/?p=452"},"modified":"2022-11-05T10:53:43","modified_gmt":"2022-11-05T10:53:43","slug":"how-to-remove-an-old-long-gone-dhcp-server-from-active-directory-and-dhcp-on-windows-2003","status":"publish","type":"post","link":"https:\/\/geekmungus.co.uk\/?p=452","title":{"rendered":"How to remove an old long gone DHCP server from Active directory and DHCP on Windows 2003."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Open ADSI edit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Configuration-&gt; Services- &gt; NetServices<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Checked the properties of: CN=DhcpRoot<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then edited this attribute: dhcpServers<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There was one server listed in there:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">i172.17.5.1$rcn=cdc.domain.com$0x00000000$dcdc01.domain.com$<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This was the one that seemed to be left hanging around.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Took a note of the settings just incase then deleted it and clicked &#8220;OK&#8221; to apply the settings.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Checked the DHCP MMC snapin under the &#8220;Manage Authorised servers&#8221; and its gone! harrah.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"http:\/\/blogs.technet.com\/b\/networking\/archive\/2009\/02\/27\/old-dhcp-servers-appear-in-the-list-of-authorized-servers-after-a-domain-rename.aspx\">http:\/\/blogs.technet.com\/b\/networking\/archive\/2009\/02\/27\/old-dhcp-servers-appear-in-the-list-of-authorized-servers-after-a-domain-rename.aspx<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Open ADSI edit. Configuration-&gt; Services- &gt; NetServices Checked the properties of: CN=DhcpRoot Then edited this attribute: dhcpServers There was one server listed in there: i172.17.5.1$rcn=cdc.domain.com$0x00000000$dcdc01.domain.com$ This was the one that seemed to be left hanging around. Took a note of the settings just incase then deleted it and clicked &#8220;OK&#8221; to apply the settings. Checked &#8230; <a title=\"How to remove an old long gone DHCP server from Active directory and DHCP on Windows 2003.\" class=\"read-more\" href=\"https:\/\/geekmungus.co.uk\/?p=452\" aria-label=\"Read more about How to remove an old long gone DHCP server from Active directory and DHCP on Windows 2003.\">Read more<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-452","post","type-post","status-publish","format-standard","hentry","category-microsoft-windows"],"_links":{"self":[{"href":"https:\/\/geekmungus.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/452","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geekmungus.co.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geekmungus.co.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geekmungus.co.uk\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/geekmungus.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=452"}],"version-history":[{"count":1,"href":"https:\/\/geekmungus.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/452\/revisions"}],"predecessor-version":[{"id":1589,"href":"https:\/\/geekmungus.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/452\/revisions\/1589"}],"wp:attachment":[{"href":"https:\/\/geekmungus.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=452"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geekmungus.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=452"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geekmungus.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}