{"id":336,"date":"2017-11-03T17:58:14","date_gmt":"2017-11-03T17:58:14","guid":{"rendered":"http:\/\/www.torontohelpdesk.ca\/blog\/?p=336"},"modified":"2017-11-03T17:58:14","modified_gmt":"2017-11-03T17:58:14","slug":"office-365-ssl-outlook-prompts","status":"publish","type":"post","link":"https:\/\/www.torontohelpdesk.ca\/blog\/office-365-ssl-outlook-prompts\/","title":{"rendered":"Office 365 \/ SSL \/ Outlook Prompts"},"content":{"rendered":"

Problem:<\/p>\n

After you switch the on-premise Exchange server to Office 365, Outlook still prompts with SSL errors (The security certificate has expired or is not yet valid)<\/p>\n

Solution:<\/p>\n

    \n
  1. Log onto old Exchange server<\/li>\n
  2. Run Exchange Power Shell<\/li>\n
  3. Run Get-ClientAccessServer -Identity “[SERVERNAME]” | Format-List<\/li>\n
  4. Ping autodiscover.yourdomain.com<\/li>\n
  5. Set-ClientAccessServer -Identity “MBX-01” -AutoDiscoverServiceInternalUri “https:\/\/RESULT_OF_PING\/autodiscover\/autodiscover.xml”<\/li>\n
  6. Clear DNS server cache and restart the DNS service<\/li>\n
  7. On client machine, run ipconfig \/flushdns<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

    Problem: After you switch the on-premise Exchange server to Office 365, Outlook still prompts with SSL errors (The security certificate has expired or is not yet valid) Solution: Log onto old Exchange server Run Exchange Power Shell Run Get-ClientAccessServer -Identity Continue reading Office 365 \/ SSL \/ Outlook Prompts<\/span>→<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[64,18,24,25],"tags":[99,102,76],"class_list":["post-336","post","type-post","status-publish","format-standard","hentry","category-office-365","category-sbs-2008","category-sbs-2011","category-ssl","tag-office-365","tag-outlook","tag-ssl"],"_links":{"self":[{"href":"https:\/\/www.torontohelpdesk.ca\/blog\/wp-json\/wp\/v2\/posts\/336","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.torontohelpdesk.ca\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.torontohelpdesk.ca\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.torontohelpdesk.ca\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.torontohelpdesk.ca\/blog\/wp-json\/wp\/v2\/comments?post=336"}],"version-history":[{"count":1,"href":"https:\/\/www.torontohelpdesk.ca\/blog\/wp-json\/wp\/v2\/posts\/336\/revisions"}],"predecessor-version":[{"id":337,"href":"https:\/\/www.torontohelpdesk.ca\/blog\/wp-json\/wp\/v2\/posts\/336\/revisions\/337"}],"wp:attachment":[{"href":"https:\/\/www.torontohelpdesk.ca\/blog\/wp-json\/wp\/v2\/media?parent=336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.torontohelpdesk.ca\/blog\/wp-json\/wp\/v2\/categories?post=336"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.torontohelpdesk.ca\/blog\/wp-json\/wp\/v2\/tags?post=336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}