{"id":523,"date":"2017-04-27T06:36:03","date_gmt":"2017-04-27T04:36:03","guid":{"rendered":"http:\/\/itsimple.info\/?p=523"},"modified":"2017-04-27T06:36:19","modified_gmt":"2017-04-27T04:36:19","slug":"when-installing-exchange-mailbox-role-you-get-error-database-is-mandatory-on-usermailbox","status":"publish","type":"post","link":"https:\/\/itsimple.info\/?p=523","title":{"rendered":"When installing exchange mailbox role you get error : &#8220;Database is mandatory on UserMailbox&#8221;"},"content":{"rendered":"<p>&nbsp;<\/p>\n<h4>This can happen if you have users type mailbox without belonging to mailbox database<\/h4>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/cdn.techgenix.com\/media\/upls\/Exchange%20Install%20Error%20Database%20is%20mandatory%20on%20UserMailbox%203.jpg\" alt=\"Image\" \/><\/p>\n<p>&nbsp;<\/p>\n<h4>To find those users, execute powershell command :<\/h4>\n<pre>Get-Mailbox -arbitration | Select Name, Database<\/pre>\n<h4>This will show you the problematic users. You can fix this by add the users to database executing for each user :<\/h4>\n<pre>Set-Mailbox \"user name from the command above\" -Arbiration -Database \"Mailbox database name of your choice\"<\/pre>\n<p><img decoding=\"async\" src=\"http:\/\/cdn.techgenix.com\/media\/upls\/Exchange%20Install%20Error%20Database%20is%20mandatory%20on%20UserMailbox%205.jpg\" alt=\"Image\" \/><\/p>\n<h4>This will let you continue the exchange installation to the end<\/h4>\n<hr \/>\n<h3>Good Luck<\/h3>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; This can happen if you have users type mailbox without belonging to mailbox database &nbsp; &nbsp; To find those users, execute powershell command : Get-Mailbox -arbitration | Select Name, Database This will show you the problematic users. You can fix this by add the users to database executing for each user : Set-Mailbox &#8220;user [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,9],"tags":[],"class_list":["post-523","post","type-post","status-publish","format-standard","hentry","category-microsoft-exchange-2013","category-microsoft-exchange-2016"],"_links":{"self":[{"href":"https:\/\/itsimple.info\/index.php?rest_route=\/wp\/v2\/posts\/523","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itsimple.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itsimple.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itsimple.info\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itsimple.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=523"}],"version-history":[{"count":0,"href":"https:\/\/itsimple.info\/index.php?rest_route=\/wp\/v2\/posts\/523\/revisions"}],"wp:attachment":[{"href":"https:\/\/itsimple.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=523"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itsimple.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=523"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itsimple.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=523"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}