{"id":405,"date":"2018-05-21T12:51:16","date_gmt":"2018-05-21T12:51:16","guid":{"rendered":"https:\/\/satelit.cz\/?p=405"},"modified":"2018-05-21T12:51:16","modified_gmt":"2018-05-21T12:51:16","slug":"synchronizace-casu-v-domene-win-2008","status":"publish","type":"post","link":"https:\/\/satelit.cz\/?p=405","title":{"rendered":"Synchronizace \u010dasu v dom\u00e9n\u011b WIN 2008"},"content":{"rendered":"<p>P\u0159i spr\u00e1v\u011b syst\u00e9mu MS Windows jsem se dostal do probl\u00e9mu s nest\u00e1lost\u00ed \u010dasu na dom\u00e9nov\u00e9m \u0159adi\u010di MS Windows 2008 R2. Proto\u017ee jsem neznalost\u00ed cht\u011bl vyu\u017e\u00edt software t\u0159et\u00ed strany, kter\u00fd v\u00fdhodn\u011b pou\u017e\u00edv\u00e1m v nedom\u00e9nov\u00e9m prost\u0159ed\u00ed (<a href=\"http:\/\/www.thinkman.com\/dimension4\/\">SW Dimension 4<\/a> ), tak jsem narazil na n\u011bkter\u00e9 probl\u00e9my. To mne donutilo zjistit, jak v\u016fbec v dom\u00e9nov\u00e9m prost\u0159ed\u00ed funguje \u0159\u00edzen\u00ed \u010dasu a tak\u00e9, \u017ee i prim\u00e1rn\u00ed \u0159adi\u010d dom\u00e9ny \u010di jin\u00fd NTP server v s\u00edti lze nav\u00e1zat na extern\u00ed NTP server.<\/br><br \/>\nSyst\u00e9m Windows 2008 vyu\u017e\u00edv\u00e1 standardn\u00edho NTP protokolu na UDP portu 123, proto je t\u0159eba povolit odchoz\u00ed provoz z klient\u016f sm\u011brem na server s c\u00edlov\u00fdm portem 123 (Toto obvykle neb\u00fdv\u00e1 blokov\u00e1no) a d\u00e1le na serveru povolit p\u0159\u00edchoz\u00ed spojen\u00ed z dynamick\u00e9ho portu na port UDP\/123 minim\u00e1ln\u011b pro rozsah vlastn\u00ed datov\u00e9 s\u00edt\u011b, kter\u00e1 m\u00e1 pr\u00e1vo se na NTP server obracet s dotazy. Pro nastaven\u00ed se vyu\u017e\u00edv\u00e1 p\u0159\u00edkaz w32tm.exe, kter\u00fd mus\u00ed b\u00fdt spu\u0161t\u011bn pod administr\u00e1torsk\u00fdmi opr\u00e1vn\u011bn\u00edmi. Vlastn\u00ed konfigurace se ukl\u00e1d\u00e1 do registru: <i>HKEY_LOCAL_MACHINE\/SYSTEM\/CurrentControlSet\/Services\/W32Time<\/i>. Restart slu\u017eby z p\u0159\u00edkazov\u00e9ho \u0159\u00e1dku lze prov\u00e9st p\u0159\u00edkazem <i>net stop w32time &amp;&amp; net start w32time<\/i>.<\/p>\n<p><b>Nastaven\u00ed \u0159adi\u010de dom\u00e9ny pro synchronizaci s extern\u00edm NTP serverem<\/b><\/p>\n<p>Vlastn\u00ed \u0159adi\u010d dom\u00e9ny je v prost\u0159ed\u00ed SBS obvykle korektn\u011b nastaven tak, aby slou\u017eil jako hlavn\u00ed \u010dasov\u00fd server v s\u00edti. Pokud to tak nen\u00ed, je t\u0159eba zkontrolovat automatick\u00e9 spou\u0161t\u011bn\u00ed slu\u017eby <i>W32Time<\/i>. D\u00e1le v registru <i>HKEY_LOCAL_MACHINE\/SYSTEM\/CurrentControlSet\/Services\/W32Time\/Config<\/i> nastavit hodnotu kl\u00ed\u010de <i>AnnounceFlags<\/i> na 5 a kl\u00ed\u010de <i>HKEY_LOCAL_MACHINE\/SYSTEM\/CurrentControlSet\/Services\/W32Time\/TimeProviders\/NtpServer<\/i> hodnotu kl\u00ed\u010de Enabled na 1. T\u00edm by m\u011bl b\u00fdt vlastn\u00ed server nakonfigurov\u00e1n pro p\u0159\u00edjem dotaz\u016f od klient\u016f v s\u00edti. Z klienta jednodu\u0161e ov\u011b\u0159\u00edte, zda-li je mo\u017en\u00e9 dot\u00e1zat server p\u0159\u00edkazem<br \/>\n<i>w32tm \/stripchart \/computer:ADRESA_NTP_SERVERU \/dataonly \/samples:5<\/i><br \/>\n<br \/>Pokud to nen\u00ed mo\u017en\u00e9, restartujte slu\u017ebu W32Time, p\u0159\u00edpadn\u011b prov\u011b\u0159te nastaven\u00ed firewallu.<br \/>\n<br \/>\nVlastn\u00ed nastaven\u00ed synchronizace prim\u00e1rn\u00edho NTP serveru v s\u00edti na extern\u00ed \u010dasov\u00fd server provedete p\u0159\u00edkazem<br \/>\n<i>w32tm.exe \/config \/manualpeerlist:&#8220;ntp.cesnet.cz&#8220; \/syncfromflags:manual \/reliable:yes \/update<\/i><br \/>\nZde byl pro p\u0159\u00edklad zvolen NTP serveru sdru\u017een\u00ed Cesnet, kter\u00e9 v \u010desk\u00e9 s\u00edti poskytuje dostate\u010dn\u011b p\u0159esn\u00fd \u010dasov\u00fd norm\u00e1l.<\/p>\n<p><b>Troubleshooting<\/b><\/p>\n<p><i><br \/>\nw32tm \/stripchart \/computer:ADRESA_NTP_SERVERU \/dataonly \/samples:5<br \/>\nw32tm \/query \/configuration<br \/>\nw32tm \/query \/status<br \/>\nw32tm \/query \/source<br \/>\nw32tm \/query \/peers<br \/>\nw32tm \/resync \/nowait<br \/>\n<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>P\u0159i spr\u00e1v\u011b syst\u00e9mu MS Windows jsem se dostal do probl\u00e9mu s nest\u00e1lost\u00ed \u010dasu na dom\u00e9nov\u00e9m \u0159adi\u010di MS Windows 2008 R2. Proto\u017ee jsem neznalost\u00ed cht\u011bl vyu\u017e\u00edt software t\u0159et\u00ed strany, kter\u00fd v\u00fdhodn\u011b pou\u017e\u00edv\u00e1m v nedom\u00e9nov\u00e9m prost\u0159ed\u00ed (SW Dimension 4 ), tak jsem narazil na n\u011bkter\u00e9 probl\u00e9my. To mne donutilo zjistit, jak v\u016fbec v dom\u00e9nov\u00e9m prost\u0159ed\u00ed funguje \u0159\u00edzen\u00ed&#8230;<\/p>\n","protected":false},"author":1,"featured_media":448,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[11],"tags":[],"class_list":["post-405","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-informace-o-sprave-serveru"],"_links":{"self":[{"href":"https:\/\/satelit.cz\/index.php?rest_route=\/wp\/v2\/posts\/405","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/satelit.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/satelit.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/satelit.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/satelit.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=405"}],"version-history":[{"count":0,"href":"https:\/\/satelit.cz\/index.php?rest_route=\/wp\/v2\/posts\/405\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/satelit.cz\/index.php?rest_route=\/wp\/v2\/media\/448"}],"wp:attachment":[{"href":"https:\/\/satelit.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/satelit.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/satelit.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}