{"id":746,"date":"2017-12-08T07:50:33","date_gmt":"2017-12-08T06:50:33","guid":{"rendered":"http:\/\/www.vatland.no\/?p=746"},"modified":"2017-12-08T08:06:16","modified_gmt":"2017-12-08T07:06:16","slug":"no-connectivity-with-any-of-web-conferencing-servers","status":"publish","type":"post","link":"https:\/\/www.vatland.no\/index.php\/no-connectivity-with-any-of-web-conferencing-servers\/","title":{"rendered":"No connectivity with any of Web Conferencing Servers."},"content":{"rendered":"<p style=\"text-align: left;\">This event started to appear every 20 seconds or so. <a href=\"https:\/\/www.vatland.no\/wp-content\/uploads\/2017\/12\/SkypeEventID41026.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"748\" data-permalink=\"https:\/\/www.vatland.no\/index.php\/no-connectivity-with-any-of-web-conferencing-servers\/skypeeventid41026\/\" data-orig-file=\"https:\/\/www.vatland.no\/wp-content\/uploads\/2017\/12\/SkypeEventID41026.jpg\" data-orig-size=\"962,281\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;Atle Vatland&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1512718379&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"SkypeEventID41026\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.vatland.no\/wp-content\/uploads\/2017\/12\/SkypeEventID41026.jpg\" class=\"alignnone size-full wp-image-748\" src=\"https:\/\/www.vatland.no\/wp-content\/uploads\/2017\/12\/SkypeEventID41026.jpg\" alt=\"\" width=\"962\" height=\"281\" srcset=\"https:\/\/www.vatland.no\/wp-content\/uploads\/2017\/12\/SkypeEventID41026.jpg 962w, https:\/\/www.vatland.no\/wp-content\/uploads\/2017\/12\/SkypeEventID41026-300x88.jpg 300w, https:\/\/www.vatland.no\/wp-content\/uploads\/2017\/12\/SkypeEventID41026-768x224.jpg 768w\" sizes=\"auto, (max-width: 962px) 100vw, 962px\" \/><\/a>The Skype for Business servers had recently been patched. In the patch list was updates to .Net framework. Included in these patches is a security update that resolves an security bypass feature. https:\/\/support.microsoft.com\/en-us\/help\/4014510\/description-of-the-security-and-quality-rollup-for-the-net-framework-4\u00a0. To solve this all I had to do was add the required registry key : <span style=\"color: #ff0000;\"><strong><span style=\"font-family: Segoe UI;\">HKEY_LOCAL_MACHINE\\Software\\Microsoft\\.NETFramework\\v4.0.30319\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 &#8211;\u00a0 \u00a0<\/span><span style=\"font-family: Segoe UI;\">DWORD: <\/span><span style=\"font-family: Segoe UI;\">RequireCertificateEKUs=0<\/span><\/strong><\/span><a href=\"https:\/\/www.vatland.no\/wp-content\/uploads\/2017\/12\/NetFrameworkEKU.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"747\" data-permalink=\"https:\/\/www.vatland.no\/index.php\/no-connectivity-with-any-of-web-conferencing-servers\/netframeworkeku\/\" data-orig-file=\"https:\/\/www.vatland.no\/wp-content\/uploads\/2017\/12\/NetFrameworkEKU.jpg\" data-orig-size=\"710,214\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;Atle Vatland&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1512718444&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"NetFrameworkEKU\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.vatland.no\/wp-content\/uploads\/2017\/12\/NetFrameworkEKU.jpg\" class=\"alignnone size-full wp-image-747\" src=\"https:\/\/www.vatland.no\/wp-content\/uploads\/2017\/12\/NetFrameworkEKU.jpg\" alt=\"\" width=\"710\" height=\"214\" srcset=\"https:\/\/www.vatland.no\/wp-content\/uploads\/2017\/12\/NetFrameworkEKU.jpg 710w, https:\/\/www.vatland.no\/wp-content\/uploads\/2017\/12\/NetFrameworkEKU-300x90.jpg 300w\" sizes=\"auto, (max-width: 710px) 100vw, 710px\" \/><\/a>\u00a0and restart the &#8220;Skype for Business Server Web Conferencing&#8221; service.\u00a0 The fix can be applied to Lync server 2013 as well.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This event started to appear every 20 seconds or so. The Skype for Business servers had recently been patched. In the patch list was updates to .Net framework. Included in these patches is a security update that resolves an security bypass feature. https:\/\/support.microsoft.com\/en-us\/help\/4014510\/description-of-the-security-and-quality-rollup-for-the-net-framework-4\u00a0. To solve this all I had to do was add the required &hellip; <a href=\"https:\/\/www.vatland.no\/index.php\/no-connectivity-with-any-of-web-conferencing-servers\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">No connectivity with any of Web Conferencing Servers.<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_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}},"categories":[6,42,10],"tags":[],"class_list":["post-746","post","type-post","status-publish","format-standard","hentry","category-lync","category-s4b","category-windows"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_likes_enabled":false,"jetpack-related-posts":[{"id":35,"url":"https:\/\/www.vatland.no\/index.php\/lync-server-2013-all-channel-servers-are-down\/","url_meta":{"origin":746,"position":0},"title":"Lync server 2013 All Channel servers are down","author":"Atle","date":"September 17, 2013","format":false,"excerpt":"After installing Lync server 2013 persistant chat the service would not stay running. Event Viewer entries complained about incorrect DB Version. The reason for this is that I had installed a CU on the Lync server before I installed Persistent chat service. Reran CU update and the service would start\u2026","rel":"","context":"In &quot;Lync&quot;","block_context":{"text":"Lync","link":"https:\/\/www.vatland.no\/index.php\/category\/lync\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":85,"url":"https:\/\/www.vatland.no\/index.php\/test-network-with-filecopy-and-powershell\/","url_meta":{"origin":746,"position":1},"title":"Test network with filecopy and Powershell","author":"Atle","date":"September 26, 2011","format":false,"excerpt":"Needed a way to test and time filecopy between servers using powershell. This is what I came up with. This example will use copy testfile.zip to server and time the progress. I used a file of 1.8 Gb. $servers=\"server1\",\"server2\",\"server3\",\"server4\",\"server5\",\"server6\"foreach($server in $Servers){if (!(test-path \\\\$server\\share\\temp)) {\u00a0\u00a0\u00a0 new-item -path \\\\$server\\share -name temp -ItemType\u2026","rel":"","context":"In &quot;Exchange&quot;","block_context":{"text":"Exchange","link":"https:\/\/www.vatland.no\/index.php\/category\/exchange\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":277,"url":"https:\/\/www.vatland.no\/index.php\/lync-server-2010-rtchost-exe-crashes-after-windows-update\/","url_meta":{"origin":746,"position":2},"title":"Lync server 2010 rtchost.exe crashes after Windows Update.","author":"Atle","date":"September 11, 2014","format":false,"excerpt":"\u00a0After running Windows update on a Lync 2010 edge server\u00a0I was unable to communicate with external contacts. I could see their presence but no\u00a0chat\/video or audio.\u00a0The eventlog contained lots of event 1001 \"Information\"(Why\u00a0not error\u00a0!!!!!) that RTCHOST.EXE crashed. Probably failed installation of KB2982385. Why are these only information events. Even more\u2026","rel":"","context":"In &quot;Lync&quot;","block_context":{"text":"Lync","link":"https:\/\/www.vatland.no\/index.php\/category\/lync\/"},"img":{"alt_text":"Lync2013","src":"https:\/\/i0.wp.com\/www.vatland.no\/wp-content\/uploads\/2014\/05\/Lync2013.gif?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":648,"url":"https:\/\/www.vatland.no\/index.php\/office-365-applications-and-high-disk-io\/","url_meta":{"origin":746,"position":3},"title":"Office 365 applications and high disk IO","author":"Atle","date":"February 12, 2016","format":false,"excerpt":"After we installed office 365 on our pc's we discovered high disk IO, especially on our terminal servers. Running tools from sysinternals this turned out to be something in Office installation called Telemetry, When we started office apps some file, in the profile folder structure, called OTELE was constantly updated.\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Telemetry3","src":"https:\/\/i0.wp.com\/www.vatland.no\/wp-content\/uploads\/2016\/02\/Telemetry3.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.vatland.no\/wp-content\/uploads\/2016\/02\/Telemetry3.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.vatland.no\/wp-content\/uploads\/2016\/02\/Telemetry3.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":96,"url":"https:\/\/www.vatland.no\/index.php\/smtp-unreliable-links\/","url_meta":{"origin":746,"position":4},"title":"SMTP unreliable links","author":"Atle","date":"July 30, 2011","format":false,"excerpt":"Had a problem with large emails between exchange 2010 servers. Got the smtp error 421.4.4.2 . I solved this by increasing the MaxProtocolError and ConnectionTimeout on the receiving connector. Use the powershell set-receiveconnector . In this senario we are talking about a 1mb sat link.","rel":"","context":"In &quot;Exchange&quot;","block_context":{"text":"Exchange","link":"https:\/\/www.vatland.no\/index.php\/category\/exchange\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":95,"url":"https:\/\/www.vatland.no\/index.php\/move-lync-database-to-new-sql-server\/","url_meta":{"origin":746,"position":5},"title":"Move Lync database to new sql server.","author":"Atle","date":"August 3, 2011","format":false,"excerpt":"This is how I've done it. First in lab then in production. This is moving\u00a0enterprise edition databases. For this to work you need one extra temporary sql server and one Lync server in a temporary Lync pool ,along with the new SQL production server. 1. Export Lync configuration just in\u2026","rel":"","context":"In &quot;Lync&quot;","block_context":{"text":"Lync","link":"https:\/\/www.vatland.no\/index.php\/category\/lync\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.vatland.no\/index.php\/wp-json\/wp\/v2\/posts\/746","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vatland.no\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vatland.no\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vatland.no\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vatland.no\/index.php\/wp-json\/wp\/v2\/comments?post=746"}],"version-history":[{"count":4,"href":"https:\/\/www.vatland.no\/index.php\/wp-json\/wp\/v2\/posts\/746\/revisions"}],"predecessor-version":[{"id":752,"href":"https:\/\/www.vatland.no\/index.php\/wp-json\/wp\/v2\/posts\/746\/revisions\/752"}],"wp:attachment":[{"href":"https:\/\/www.vatland.no\/index.php\/wp-json\/wp\/v2\/media?parent=746"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vatland.no\/index.php\/wp-json\/wp\/v2\/categories?post=746"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vatland.no\/index.php\/wp-json\/wp\/v2\/tags?post=746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}