{"id":368,"date":"2022-02-03T12:18:45","date_gmt":"2022-02-03T12:18:45","guid":{"rendered":"https:\/\/virtualall.sk.website.tuke.sk\/?p=368"},"modified":"2026-09-11T14:45:49","modified_gmt":"2026-09-11T14:45:49","slug":"active-directory-nastavenie-ntp-servera","status":"publish","type":"post","link":"https:\/\/virtualall.sk\/en\/2022\/02\/active-directory-nastavenie-ntp-servera\/","title":{"rendered":"Active Directory NTP Server"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">V\u0161etky po\u010d\u00edta\u010de a zariadenia v dom\u00e9ne \u0161tandardne synchronizuj\u00fa syst\u00e9mov\u00fd \u010das pomocou hierarchie dom\u00e9ny. \u010clenovia dom\u00e9ny synchronizuj\u00fa \u010das s radi\u010dmi dom\u00e9ny, ktor\u00e9 zase synchronizuj\u00fa \u010das s radi\u010dom dom\u00e9ny s rolou emul\u00e1tora PDC. Emul\u00e1tor PDC kore\u0148ovej dom\u00e9ny lesa je na vrchole hierarchie dom\u00e9ny, a preto je konfigur\u00e1cia tohto radi\u010da dom\u00e9ny na synchroniz\u00e1ciu \u010dasu s hierarchiou dom\u00e9ny neplatn\u00e1. Slu\u017eba Windows Time Service v\u00e1s upozorn\u00ed na tento stav zap\u00edsan\u00edm ID udalosti 12 do denn\u00edka udalost\u00ed syst\u00e9mu Windows zo zdroja udalost\u00ed W32Time. V niektor\u00fdch scen\u00e1roch z\u00edska emul\u00e1tor PDC svoj \u010das z hod\u00edn syst\u00e9mu BIOS. Tento pr\u00edstup m\u00e1 v\u0161ak nev\u00fdhody. Ak \u010das a d\u00e1tum nie s\u00fa v BIOSe emul\u00e1tora PDC nastaven\u00e9 presne, nastavenia \u010dasu a d\u00e1tumu bud\u00fa v celej dom\u00e9ne nespr\u00e1vne. Okrem toho, ak emul\u00e1tor PDC prejde do re\u017eimu offline, \u010dlenovia dom\u00e9ny nebud\u00fa m\u00f4c\u0165 synchronizova\u0165 \u010das. Lep\u0161\u00edm pr\u00edstupom je nakonfigurova\u0165 emul\u00e1tor PDC tak, aby synchronizoval \u010das priamo s extern\u00fdm zdrojom \u010dasu. Pr\u00edpadne m\u00f4\u017eete nakonfigurova\u0165 in\u00e9 zariadenie vo va\u0161ej dom\u00e9ne na synchroniz\u00e1ciu \u010dasu s externou \u010dasovou slu\u017ebou a potom nakonfigurova\u0165 emul\u00e1tor PDC tak, aby pou\u017e\u00edval v\u00e1\u0161 intern\u00fd \u010dasov\u00fd server ako autoritat\u00edvny zdroj \u010dasu. Autoritat\u00edvne extern\u00e9 zdroje \u010dasu s\u00fa slu\u017eby orientovan\u00e9 na internet, zvy\u010dajne spravovan\u00e9 vl\u00e1dnymi, vedeck\u00fdmi alebo vzdel\u00e1vac\u00edmi in\u0161tit\u00faciami, ktor\u00e9 v\u00e1m umo\u017e\u0148uj\u00fa synchronizova\u0165 v\u00e1\u0161 syst\u00e9mov\u00fd \u010das pomocou protokolu NTP (Network Time Protocol). Napr\u00edklad NIST poskytuje \u010dasov\u00e9 servery na r\u00f4znych miestach v Spojen\u00fdch \u0161t\u00e1toch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chyba spojen\u00e1 s nastaven\u00edm NTP servera sa na Active Directory prejav\u00ed a zobraz\u00ed t\u00fato hl\u00e1\u0161ku v Event Logu:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Feb 03 13:00:37 0.36 Microsoft-Windows-Time-Service The time service has not synchronized the system time for the last 86400 seconds because none of the time service providers provided a usable time stamp. The time service will not update the local system time until it is able to synchronize with a time source. If the local system is configured to act as a time server for clients, it will stop advertising as a time source to clients after 0 seconds. The time service will continue to retry and sync time with its time sources. Check system event log for other W32time events for more details. Run 'w32tm \/resync' to force an instant time synchronization. You can control the frequency of the time source rediscovery using ClockHoldoverPeriod W32time config setting. Modify the EventLogFlags W32time config setting if you wish to disable this message.<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Zobrazenie statusu nastavenia \u010dasu:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>w32tm \/query \/status \/verbose<\/code><\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"981\" height=\"502\" src=\"https:\/\/virtualall.sk.website.tuke.sk\/wp-content\/uploads\/2022\/02\/ad-time-1.png\" alt=\"Active Directory NTP server\" class=\"wp-image-369\" srcset=\"https:\/\/virtualall.sk\/wp-content\/uploads\/2022\/02\/ad-time-1.png 981w, https:\/\/virtualall.sk\/wp-content\/uploads\/2022\/02\/ad-time-1-300x154.png 300w, https:\/\/virtualall.sk\/wp-content\/uploads\/2022\/02\/ad-time-1-768x393.png 768w, https:\/\/virtualall.sk\/wp-content\/uploads\/2022\/02\/ad-time-1-18x9.png 18w\" sizes=\"auto, (max-width: 981px) 100vw, 981px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Source name : LOCAL &#8211; definuje nastavene synchroniz\u00e1cia pomocou lok\u00e1lneho zdroja \u010dasu (RTC obvod na mati\u010dnej doske po\u010d\u00edta\u010da). Nastavenie \u010dasu je mo\u017en\u00e9 vykona\u0165 zadan\u00edm pr\u00edkazu:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>w32tm.exe \/config \/syncfromflags:manual \/manualpeerlist:131.107.13.100,0x8 \/reliable:yes \/update<\/code><\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"132\" src=\"https:\/\/virtualall.sk.website.tuke.sk\/wp-content\/uploads\/2022\/02\/ad-time-2-1024x132.png\" alt=\"Active Directory NTP server (2)\" class=\"wp-image-370\" srcset=\"https:\/\/virtualall.sk\/wp-content\/uploads\/2022\/02\/ad-time-2-1024x132.png 1024w, https:\/\/virtualall.sk\/wp-content\/uploads\/2022\/02\/ad-time-2-300x39.png 300w, https:\/\/virtualall.sk\/wp-content\/uploads\/2022\/02\/ad-time-2-768x99.png 768w, https:\/\/virtualall.sk\/wp-content\/uploads\/2022\/02\/ad-time-2-18x2.png 18w, https:\/\/virtualall.sk\/wp-content\/uploads\/2022\/02\/ad-time-2.png 1026w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Parameter manualpeerlist:131.107.13.100 ur\u010duje zoznam IP adries na ktor\u00fdch sa prev\u00e1dzkuje NTP server. Pre zabezpe\u010denie stability je potrebn\u00e9 zvoli\u0165 nieko\u013eko NTP serverov s\u00fa\u010dasne. <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">S\u00favisiace n\u00e1vody<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li><a href=\"https:\/\/virtualall.sk\/2022\/01\/instalacia-windows-activedirectory-2022\/\">In\u0161tal\u00e1cia Active Directory 2022<\/a><\/li>\n\n\n<li><a href=\"https:\/\/virtualall.sk\/2022\/01\/instalacia-windows-activedirectory-2022-cast-2\/\">In\u0161tal\u00e1cia Active Directory 2022 \u010das\u0165 2<\/a><\/li>\n\n\n<li><a href=\"https:\/\/virtualall.sk\/2022\/01\/zabezpecenie-ad-server-vypnutim-moznosti-allownt4crypto\/\">AD AllowNT4Crypto zabezpe\u010denie<\/a><\/li>\n\n\n<li><a href=\"https:\/\/virtualall.sk\/2022\/01\/povolenie-replikacie-windows-dns-a-linux-dns\/\">Windows DNS a Linux DNS replik\u00e1cia<\/a><\/li>\n\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>V\u0161etky po\u010d\u00edta\u010de a zariadenia v dom\u00e9ne \u0161tandardne synchronizuj\u00fa syst\u00e9mov\u00fd \u010das pomocou hierarchie dom\u00e9ny. \u010clenovia dom\u00e9ny synchronizuj\u00fa \u010das s radi\u010dmi dom\u00e9ny, ktor\u00e9 zase synchronizuj\u00fa \u010das s radi\u010dom dom\u00e9ny s rolou emul\u00e1tora PDC. Emul\u00e1tor PDC kore\u0148ovej dom\u00e9ny lesa je na vrchole hierarchie dom\u00e9ny, a preto je konfigur\u00e1cia tohto radi\u010da dom\u00e9ny na synchroniz\u00e1ciu \u010dasu s hierarchiou dom\u00e9ny neplatn\u00e1&#8230;.<\/p>\n<p class=\"more-link-wrap\"><a href=\"https:\/\/virtualall.sk\/en\/2022\/02\/active-directory-nastavenie-ntp-servera\/\" class=\"more-link\">Read More<span class=\"screen-reader-text\"> &ldquo;Active Directory NTP Server&rdquo;<\/span> &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":212,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[57],"tags":[60,59,62,79,76],"class_list":["post-368","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-activedirectory","tag-active-directory","tag-activedirectory","tag-ad","tag-ad-gpo","tag-ad-security"],"_links":{"self":[{"href":"https:\/\/virtualall.sk\/en\/wp-json\/wp\/v2\/posts\/368","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/virtualall.sk\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/virtualall.sk\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/virtualall.sk\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/virtualall.sk\/en\/wp-json\/wp\/v2\/comments?post=368"}],"version-history":[{"count":13,"href":"https:\/\/virtualall.sk\/en\/wp-json\/wp\/v2\/posts\/368\/revisions"}],"predecessor-version":[{"id":2463,"href":"https:\/\/virtualall.sk\/en\/wp-json\/wp\/v2\/posts\/368\/revisions\/2463"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/virtualall.sk\/en\/wp-json\/wp\/v2\/media\/212"}],"wp:attachment":[{"href":"https:\/\/virtualall.sk\/en\/wp-json\/wp\/v2\/media?parent=368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/virtualall.sk\/en\/wp-json\/wp\/v2\/categories?post=368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/virtualall.sk\/en\/wp-json\/wp\/v2\/tags?post=368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}