{"id":323,"date":"2014-06-11T13:44:33","date_gmt":"2014-06-11T19:44:33","guid":{"rendered":"http:\/\/blog.escarra.org\/?p=323"},"modified":"2014-06-11T13:44:33","modified_gmt":"2014-06-11T19:44:33","slug":"testing-ntp-from-windows","status":"publish","type":"post","link":"https:\/\/blog.escarra.org\/?p=323","title":{"rendered":"Testing NTP from Windows"},"content":{"rendered":"<p>During configuration of an AudioCodes gateway, a\u00a0required config for successful TLS negotiation is the use of an NTP server. If you&#8217;re running Active Directory domain in your network, your primary time source is the Domain Controller hosting\u00a0the PDC Operations Master\u00a0role.<\/p>\n<p>To test NTP is working correctly before hardcoding it into your appliances, you can run the following command:<\/p>\n<blockquote><p><strong>w32tm \/stripchart \/computer:&lt;yourNTPsource&gt;<\/strong><\/p><\/blockquote>\n<p>The Stripchart modifier will show a strip chart of the offset between your computer and the NTP source you specified.<\/p>\n<p>Also, for future-proof NTP configuration and to avoid having broken services in case you move PDC role and demote your time source, you can create CNAME records such as <strong>ntp.yourdomain.com<\/strong>, or use SRV records like the standard <strong>_ntp._udp.yourdomain.com<\/strong> (and point them to\u00a0_ldap._tcp.pdc._msdcs.yourdomain.com for no manual intervention!).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>During configuration of an AudioCodes gateway, a\u00a0required config for successful TLS negotiation is the use of an NTP server. If you&#8217;re running Active Directory domain in your network, your primary time source is the Domain Controller hosting\u00a0the PDC Operations Master\u00a0role. To test NTP is working correctly before hardcoding it into your appliances, you can run [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[],"class_list":["post-323","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- 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