{"id":491,"date":"2009-04-19T23:33:00","date_gmt":"2009-04-19T23:33:00","guid":{"rendered":"https:\/\/brainlitter.itgroove.net\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/"},"modified":"2009-04-19T23:33:00","modified_gmt":"2009-04-19T23:33:00","slug":"strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot","status":"publish","type":"post","link":"https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/","title":{"rendered":"Strange Windows DHCP Server Issue \u2013 Router (Option 003) goes missing on service restart\/reboot"},"content":{"rendered":"<div class=\"ExternalClassF964FD88F3804F929F5D9A0CFFA3520D\">\n<p>So, I discovered a weird issue tonight with Windows Server 2003 DHCP Services, and thus far, haven&#8217;t found it documented \u2013 but was able to reproduce it and did discover the cause. So being that is what blogging is all about in the tech community, sharing knowledge, I&#8217;m going to: <\/p>\n<h1><span style=\"font-size:16pt\">Issue <\/span><\/h1>\n<ul>\n<li>\n<div>When Windows Server 2003 DHCP Services restart (stop\/start) or the equivalent (a reboot), the Router value (your Default Gateway), which is Code &#8216;003&#8217;, goes &#8216;missing&#8217; (gone, deleted, nada, zilch, kapoot \u2013 you can put it back, but it will be gone again next time \u2026 neat!) <\/div>\n<ul>\n<li>Thus, the end user result is users can&#8217;t surf the Internet \u2013 they can resolve DNS (those DHCP Values remain) but they can&#8217;t get &#8216;out&#8217; \u2013 no gateway, no place to go besides the local LAN <\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"\/brainlitterarchive\/Lists\/Photos\/042009_0632_StrangeWind1.png\"> <\/p>\n<p>\u00a0<\/p>\n<h1>The Cause <\/h1>\n<ul>\n<li>Well, for starter&#8217;s this shouldn&#8217;t really be able to happen but the cause is an invalid &#8216;reservation&#8217; defined in DHCP. If you create a reservation and forget to complete the final octet, it will keep the zero (&#8220;0&#8221;) which indicates the whole subnet \u2013 this shouldn&#8217;t be a valid reservation, but Windows will let you do it. For example, a reservation created of 192.168.25.0 (the zero, shouldn&#8217;t be a reservation, it should be anything from .1 to .254) <\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"\/brainlitterarchive\/Lists\/Photos\/042009_0632_StrangeWind2.png\"> <\/p>\n<p>\u00a0<\/p>\n<h1>The Fix <\/h1>\n<ul>\n<li>Well, for starters, avoidance is the key. Don&#8217;t create reservations incorrectly (.0) <\/li>\n<li>However, if your router is &#8216;bailing&#8217; on you, be sure you delete the reservation, then restart the DHCP Service and then put your router value back, just one last time <\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>So, I discovered a weird issue tonight with Windows Server 2003 DHCP Services, and thus far, haven&#8217;t found it documented \u2013 but was able to reproduce it and did discover the cause. So being that is what blogging is all about in the tech community, sharing knowledge, I&#8217;m going to: Issue When Windows Server 2003 &hellip; <a href=\"https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/\"><\/a><\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":"","_jetpack_memberships_contains_paid_content":false},"categories":[325,222],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Strange Windows DHCP Server Issue \u2013 Router (Option 003) goes missing on service restart\/reboot - Brainlitter - Inside the mind of Sean Wallbridge<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Strange Windows DHCP Server Issue \u2013 Router (Option 003) goes missing on service restart\/reboot - Brainlitter - Inside the mind of Sean Wallbridge\" \/>\n<meta property=\"og:description\" content=\"So, I discovered a weird issue tonight with Windows Server 2003 DHCP Services, and thus far, haven&#8217;t found it documented \u2013 but was able to reproduce it and did discover the cause. So being that is what blogging is all about in the tech community, sharing knowledge, I&#8217;m going to: Issue When Windows Server 2003 &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/\" \/>\n<meta property=\"og:site_name\" content=\"Brainlitter - Inside the mind of Sean Wallbridge\" \/>\n<meta property=\"article:published_time\" content=\"2009-04-19T23:33:00+00:00\" \/>\n<meta name=\"author\" content=\"Sean Wallbridge\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sean Wallbridge\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/\",\"url\":\"https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/\",\"name\":\"Strange Windows DHCP Server Issue \u2013 Router (Option 003) goes missing on service restart\/reboot - Brainlitter - Inside the mind of Sean Wallbridge\",\"isPartOf\":{\"@id\":\"https:\/\/regroove.ca\/brainlitter\/#website\"},\"datePublished\":\"2009-04-19T23:33:00+00:00\",\"dateModified\":\"2009-04-19T23:33:00+00:00\",\"author\":{\"@id\":\"https:\/\/regroove.ca\/brainlitter\/#\/schema\/person\/74e1c0def190f181c1394c2b6d883e77\"},\"breadcrumb\":{\"@id\":\"https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Brainlitter\",\"item\":\"https:\/\/regroove.ca\/brainlitter\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Strange Windows DHCP Server Issue \u2013 Router (Option 003) goes missing on service restart\/reboot\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/regroove.ca\/brainlitter\/#website\",\"url\":\"https:\/\/regroove.ca\/brainlitter\/\",\"name\":\"Brainlitter - Inside the mind of Sean Wallbridge\",\"description\":\"Dad. Husband. Drummer. Learner of Things.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/regroove.ca\/brainlitter\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/regroove.ca\/brainlitter\/#\/schema\/person\/74e1c0def190f181c1394c2b6d883e77\",\"name\":\"Sean Wallbridge\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/regroove.ca\/brainlitter\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/adf8cea6291c39d166616f2148d919a6?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/adf8cea6291c39d166616f2148d919a6?s=96&d=mm&r=g\",\"caption\":\"Sean Wallbridge\"},\"url\":\"https:\/\/regroove.ca\/brainlitter\/author\/swallbridge\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Strange Windows DHCP Server Issue \u2013 Router (Option 003) goes missing on service restart\/reboot - Brainlitter - Inside the mind of Sean Wallbridge","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/","og_locale":"en_US","og_type":"article","og_title":"Strange Windows DHCP Server Issue \u2013 Router (Option 003) goes missing on service restart\/reboot - Brainlitter - Inside the mind of Sean Wallbridge","og_description":"So, I discovered a weird issue tonight with Windows Server 2003 DHCP Services, and thus far, haven&#8217;t found it documented \u2013 but was able to reproduce it and did discover the cause. So being that is what blogging is all about in the tech community, sharing knowledge, I&#8217;m going to: Issue When Windows Server 2003 &hellip;","og_url":"https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/","og_site_name":"Brainlitter - Inside the mind of Sean Wallbridge","article_published_time":"2009-04-19T23:33:00+00:00","author":"Sean Wallbridge","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Sean Wallbridge","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/","url":"https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/","name":"Strange Windows DHCP Server Issue \u2013 Router (Option 003) goes missing on service restart\/reboot - Brainlitter - Inside the mind of Sean Wallbridge","isPartOf":{"@id":"https:\/\/regroove.ca\/brainlitter\/#website"},"datePublished":"2009-04-19T23:33:00+00:00","dateModified":"2009-04-19T23:33:00+00:00","author":{"@id":"https:\/\/regroove.ca\/brainlitter\/#\/schema\/person\/74e1c0def190f181c1394c2b6d883e77"},"breadcrumb":{"@id":"https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/regroove.ca\/brainlitter\/2009\/04\/19\/strange-windows-dhcp-server-issuerouter-option-003-goes-missing-on-service-restart-reboot\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Brainlitter","item":"https:\/\/regroove.ca\/brainlitter\/"},{"@type":"ListItem","position":2,"name":"Strange Windows DHCP Server Issue \u2013 Router (Option 003) goes missing on service restart\/reboot"}]},{"@type":"WebSite","@id":"https:\/\/regroove.ca\/brainlitter\/#website","url":"https:\/\/regroove.ca\/brainlitter\/","name":"Brainlitter - Inside the mind of Sean Wallbridge","description":"Dad. Husband. Drummer. Learner of Things.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/regroove.ca\/brainlitter\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/regroove.ca\/brainlitter\/#\/schema\/person\/74e1c0def190f181c1394c2b6d883e77","name":"Sean Wallbridge","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/regroove.ca\/brainlitter\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/adf8cea6291c39d166616f2148d919a6?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/adf8cea6291c39d166616f2148d919a6?s=96&d=mm&r=g","caption":"Sean Wallbridge"},"url":"https:\/\/regroove.ca\/brainlitter\/author\/swallbridge\/"}]}},"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/regroove.ca\/brainlitter\/wp-json\/wp\/v2\/posts\/491"}],"collection":[{"href":"https:\/\/regroove.ca\/brainlitter\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/regroove.ca\/brainlitter\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/regroove.ca\/brainlitter\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/regroove.ca\/brainlitter\/wp-json\/wp\/v2\/comments?post=491"}],"version-history":[{"count":0,"href":"https:\/\/regroove.ca\/brainlitter\/wp-json\/wp\/v2\/posts\/491\/revisions"}],"wp:attachment":[{"href":"https:\/\/regroove.ca\/brainlitter\/wp-json\/wp\/v2\/media?parent=491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/regroove.ca\/brainlitter\/wp-json\/wp\/v2\/categories?post=491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/regroove.ca\/brainlitter\/wp-json\/wp\/v2\/tags?post=491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}