{"id":281,"date":"2008-10-16T09:00:45","date_gmt":"2008-10-16T08:00:45","guid":{"rendered":"https:\/\/news.galsys.co.uk\/?p=281"},"modified":"2008-10-16T09:00:45","modified_gmt":"2008-10-16T08:00:45","slug":"how-to-configure-an-authoritative-time-server-in-windows-server-2008","status":"publish","type":"post","link":"https:\/\/www.galsys.co.uk\/news\/how-to-configure-an-authoritative-time-server-in-windows-server-2008\/","title":{"rendered":"How to Configure an Authoritative Time Server in Windows Server 2008"},"content":{"rendered":"<p><a href=\"https:\/\/www.galsys.co.uk\">Time synchronisation<\/a> in modern computer networks is essential, all computers need to know the time as many applications, from sending an email to storing information are reliant on the PC knowing when the event took place.<\/p>\n<p>Microsoft Windows Server from 2000 onwards has a time synchronisation utility built into the operating system called Windows Time (w32time.exe) which can be configured to operate as a <a href=\"https:\/\/www.atomic-clock.galleon.eu.com\/time-servers\/network-time-server.html\">network time serve<\/a>r.<\/p>\n<p>Windows Server 2008 can easily set the system clock to use UTC (Coordinated Universal Time, the World\u2019s time standard) by accessing an Internet source (either: time.windows.com or time.nist.gov).<\/p>\n<p>To achieve this, a user merely has to double click the clock on their desktop and adjust the settings in the Internet Time tab.<\/p>\n<p>It must be noted however, that Microsoft and other operating system manufacturers strongly advise that external timing references should be used as Internet sources can\u2019t be authenticated.<\/p>\n<p>To configure the Windows Time service to use an external time source, click Start, Run and type regedit then click OK.<\/p>\n<p>Locate the following subkey:<br \/>\nHKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\W32Time\\Parameters\\Type<br \/>\nIn the right pane, right-click Type then click Modify, in edit Value type NTP in the Value data box then click OK.<\/p>\n<p>Locate the following subkey:<br \/>\nHKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\W32Time\\Config\\AnnounceFlags.<br \/>\nIn the right pane, right-click AnnounceFlags and click Modify. The \u2018AnnounceFlags&#8217; registry entry indicates whether the server is a trusted time reference, 5 indicates a trusted source so in the Edit DWORD Value box, under Value Data, type 5, then click OK.<\/p>\n<p>Network Time Protocol (NTP) is an Internet protocol used for the transfer of accurate time, providing time information along so that a precise time can be obtained<br \/>\nTo enable the Network Time Protocol; NTPserver, locate and click:<\/p>\n<p>HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\W32Time\\TimeProviders\\NtpServer\\<br \/>\nIn the right pane, right-click Enabled, then click Modify.<\/p>\n<p>In the Edit DWord Value box, type 1 under Value data, then click OK.<\/p>\n<p>Now go back and click on<br \/>\nHKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\W32Time\\Parameters\\NtpServer<br \/>\nIn the right pane, right-click NtpServer, then Modify, in the Edit DWORD Value under Value Data type In the right pane, right-click NtpServer, then Modify, in the Edit DWORD Value under Value Data type the Domain Name System (DNS), each DNS must be unique and you must append 0x1 to the end of each DNS name otherwise changes will not take effect.<\/p>\n<p>Now click Ok.<\/p>\n<p>Locate and click the following<br \/>\nHKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\W32Time\\TimeProviders\\NtpClient\\SpecialPollInterval<br \/>\nIn the right pane, right-click SpecialPollInterval, then click Modify.<\/p>\n<p>In the Edit DWORD Value box, under Value Data, type the number of seconds you want for each poll, ie 900 will poll every 15 minutes, then click OK.<br \/>\nTo configure the time correction settings, locate:<br \/>\nHKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\W32Time\\config<br \/>\nIn the right pane, right-click MaxPosPhaseCorrection, then Modify, in the Edit DWORD Value box, under Base, click Decimal, under Value Data, type a time in seconds such as 3600 (an hour) then click OK.<br \/>\nNow go back and click:<br \/>\nHKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\W32Time\\config<br \/>\nIn the right pane, right-click MaxNegPhaseCorrection, then Modify.<\/p>\n<p>In the Edit DWORD box under base, click Decimal, under value data type the time in seconds you want to poll such as 3600 (polls in one hour)<br \/>\nExit Registry Editor<br \/>\nNow, to restart windows time service, click Start, Run (or alternatively use the command prompt facility) and type:<\/p>\n<p>net stop w32time &amp;&amp; net start w32time<br \/>\nAnd that\u2019s it your time server should be now up and running.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Time synchronisation in modern computer networks is essential, all computers need to know the time as many applications, from sending an email to storing information are reliant on the PC knowing when the event took place. Microsoft Windows Server from 2000 onwards has a time synchronisation utility built into the operating system called Windows Time&hellip;<\/p>\n<p><a class=\"btn btn-primary\" href=\"https:\/\/www.galsys.co.uk\/news\/how-to-configure-an-authoritative-time-server-in-windows-server-2008\/\">Continue reading <i class=\"fas fa-arrow-right\"><\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,8,12,13,1],"tags":[19,20,207,22,23,25,26,27,28,204,29,30,34,35],"class_list":["post-281","post","type-post","status-publish","format-standard","hentry","category-advanced-ntp","category-ntp-configuration","category-time-server","category-time-synchronisation","category-uncategorized","tag-gps-ntp-server","tag-gps-ntp-time-server","tag-gps-time-server","tag-linux-ntp","tag-linux-time-server","tag-network-time-server","tag-ntp-clock","tag-ntp-gps-server","tag-ntp-gps-time-server","tag-ntp-server-2","tag-ntp-servers","tag-ntp-time-server","tag-windows-ntp-server","tag-windows-server-2008"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Configure an Authoritative Time Server in Windows Server 2008 - Galleon Systems<\/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:\/\/www.galsys.co.uk\/news\/how-to-configure-an-authoritative-time-server-in-windows-server-2008\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Configure an Authoritative Time Server in Windows Server 2008 - Galleon Systems\" \/>\n<meta property=\"og:description\" content=\"Time synchronisation in modern computer networks is essential, all computers need to know the time as many applications, from sending an email to storing information are reliant on the PC knowing when the event took place. 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