{"id":6005,"date":"2015-09-17T12:00:53","date_gmt":"2015-09-17T11:00:53","guid":{"rendered":"http:\/\/www.markwilson.co.uk\/blog\/?p=6005"},"modified":"2015-09-12T01:16:05","modified_gmt":"2015-09-12T00:16:05","slug":"cant-add-a-domain-to-office-365-because-its-already-in-use","status":"publish","type":"post","link":"https:\/\/www.markwilson.co.uk\/blog\/2015\/09\/cant-add-a-domain-to-office-365-because-its-already-in-use.htm","title":{"rendered":"Can&#8217;t add a domain to Office 365 because it&#8217;s already in use"},"content":{"rendered":"<p>Adding a domain name to Office 365 is usually pretty straightforward. That is unless it&#8217;s already been used for another tenant that you don&#8217;t have access to &#8211; perhaps a trial that&#8217;s expired? Or someone signed up for some Microsoft Online services using their work email address but doesn&#8217;t have administration rights?<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/i0.wp.com\/www.markwilson.co.uk\/blog\/images\/o365-cant-add-domain.png?resize=431%2C49&#038;ssl=1\" alt=\"Sorry, you can't add domainname.tld here because it's already in use\" width=\"431\" height=\"49\" \/><\/p>\n<p>I came across exactly this scenario with a customer\u00a0last week &#8211; although luckily we managed to extract ourselves from the situation. Actually, there&#8217;s some pretty good documentation from Microsoft on the topic: &#8220;<a href=\"https:\/\/support.office.com\/en-gb\/article\/How-to-manage-a-domain-already-in-use-by-people-in-your-organization-who-signed-up-with-their-work-or-school-email-address-b9707ec8-2247-4e25-9bad-f11ddbc686e4\">How to manage a domain already in use by people in your organization who signed up with their work or school email address<\/a>&#8220;.<\/p>\n<p>What we did was to:<\/p>\n<ul type=\"disc\">\n<li>Sign up for a <a href=\"http:\/\/go.microsoft.com\/fwlink\/?LinkId=616218\">Power BI<\/a> trial (we couldn&#8217;t sign up for <a href=\"http:\/\/go.microsoft.com\/fwlink\/?LinkId=616219\">Office Online at work<\/a> as it said it wasn&#8217;t available in our region, and <a href=\"http:\/\/go.microsoft.com\/fwlink\/?LinkId=616217\">Office 365 for education<\/a> was not an option for us either) using an email address at the domain name we wanted to reclaim.<\/li>\n<li>Once the new trial was in place, logon to the portal and click the Admin tile in the App Launcher, which starts a wizard to become the administrator for the associated Office 365 tenant.<\/li>\n<li>Create a DNS entry to prove ownership of the domain.<\/li>\n<li>Change any account using the domain name that is to be reclaimed over to their tenantname.onmicrosoft.com address for logon.<\/li>\n<li>Log off\/on.<\/li>\n<li>Remove the domain from the tenant (and then leave it to expire in time&#8230;).<\/li>\n<li>Add the domain to the tenant where it should be used.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Adding a domain name to Office 365 is usually pretty straightforward. That is unless it&#8217;s already been used for another tenant that you don&#8217;t have access to &#8211; perhaps a trial that&#8217;s expired? Or someone signed up for some Microsoft Online services using their work email address but doesn&#8217;t have administration rights? I came across &hellip; <a href=\"https:\/\/www.markwilson.co.uk\/blog\/2015\/09\/cant-add-a-domain-to-office-365-because-its-already-in-use.htm\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Can&#8217;t add a domain to Office 365 because it&#8217;s already in use<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[218],"tags":[217],"class_list":["post-6005","post","type-post","status-publish","format-standard","hentry","category-technology","tag-office-365"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Can&#039;t add a domain to Office 365 because it&#039;s already in use - 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What will my tenant be called? The reason these are so important is because, once set, they cannot be changed. I'll write more about the\u2026","rel":"","context":"In &quot;Technology&quot;","block_context":{"text":"Technology","link":"https:\/\/www.markwilson.co.uk\/blog\/topic\/technology"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2767,"url":"https:\/\/www.markwilson.co.uk\/blog\/2011\/06\/domain-management-for-office-365.htm","url_meta":{"origin":6005,"position":2},"title":"Domain management for Office 365 (Small Business)","author":"Mark Wilson","date":"Friday 17 June 2011","format":false,"excerpt":"A few weeks ago, I wrote about configuring DNS for Exchange Online in Office 365. In that post, I mentioned that Microsoft is only supporting small business customers with domains that are delegated to (i.e. hosted on) Microsoft's name servers - currently ns1.bdm.microsoftonline.com and ns2.bdm.microsoftonline.com. I wasn't entirely comfortable with\u2026","rel":"","context":"In &quot;Technology&quot;","block_context":{"text":"Technology","link":"https:\/\/www.markwilson.co.uk\/blog\/topic\/technology"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":5716,"url":"https:\/\/www.markwilson.co.uk\/blog\/2015\/07\/getting-started-with-yammer.htm","url_meta":{"origin":6005,"position":3},"title":"Getting started with Yammer","author":"Mark Wilson","date":"Thursday 16 July 2015","format":false,"excerpt":"Yammer has been around for years but a while back it was purchased by Microsoft. It's kind of like Facebook, but for businesses, and now that it's included in certain Office 365 plans, I'm increasingly finding myself talking to customers about it as they look to see what it can\u2026","rel":"","context":"In &quot;Technology&quot;","block_context":{"text":"Technology","link":"https:\/\/www.markwilson.co.uk\/blog\/topic\/technology"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":5997,"url":"https:\/\/www.markwilson.co.uk\/blog\/2015\/09\/pick-the-primary-domain-when-activating-yammer-on-an-office-365-tenant.htm","url_meta":{"origin":6005,"position":4},"title":"Pick the primary domain when activating Yammer on an Office 365 tenant","author":"Mark Wilson","date":"Wednesday 16 September 2015","format":false,"excerpt":"One of the challenges with working with Office 365 for a living is that it now offers a pretty broad range of services. I work in a unified communications and messaging team (think Skype for Business and Exchange) but I also need to know about: Windows identity topics including Active\u2026","rel":"","context":"In &quot;Technology&quot;","block_context":{"text":"Technology","link":"https:\/\/www.markwilson.co.uk\/blog\/topic\/technology"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":6038,"url":"https:\/\/www.markwilson.co.uk\/blog\/2015\/09\/windows-10-enterprise-domain-join-options.htm","url_meta":{"origin":6005,"position":5},"title":"Windows 10 Enterprise domain join options","author":"Mark Wilson","date":"Saturday 26 September 2015","format":false,"excerpt":"When running Windows 10 setup from enterprise media, one of the options presented is to choose how you'll connect Windows to your organisation. Join Azure AD Join a domain You might ask, \"where's the option to just continue as normal and stay in a workgroup?\" (as a non-domain-joined PC) but\u2026","rel":"","context":"In &quot;Technology&quot;","block_context":{"text":"Technology","link":"https:\/\/www.markwilson.co.uk\/blog\/topic\/technology"},"img":{"alt_text":"Windows 10 - Accounts - Your Accounts","src":"https:\/\/i0.wp.com\/www.markwilson.co.uk\/blog\/images\/windows10-your-accounts.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.markwilson.co.uk\/blog\/images\/windows10-your-accounts.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.markwilson.co.uk\/blog\/images\/windows10-your-accounts.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.markwilson.co.uk\/blog\/images\/windows10-your-accounts.png?resize=700%2C400&ssl=1 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/posts\/6005","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=6005"}],"version-history":[{"count":1,"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/posts\/6005\/revisions"}],"predecessor-version":[{"id":6006,"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/posts\/6005\/revisions\/6006"}],"wp:attachment":[{"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=6005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/categories?post=6005"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/tags?post=6005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}