{"id":1349,"date":"2019-07-31T11:13:58","date_gmt":"2019-07-31T09:13:58","guid":{"rendered":"https:\/\/www.provisior.nl\/techblog\/?p=1349"},"modified":"2019-07-31T11:13:58","modified_gmt":"2019-07-31T09:13:58","slug":"fix-load-balancing-failed-to-find-a-valid-mailbox-database","status":"publish","type":"post","link":"https:\/\/www.provisior.nl\/techblog\/2019\/07\/31\/fix-load-balancing-failed-to-find-a-valid-mailbox-database\/","title":{"rendered":"Fix: Load balancing failed to find a valid mailbox database"},"content":{"rendered":"<p>While setting up <a href=\"https:\/\/www.provisior.nl\">Provisior<\/a> at a new customer we ran into an error while testing the on-boarding of a new user. The mailbox could not be enabled in the local Exchange 2013 server.<\/p>\n<p>The error Exchange returned was: <strong>Load balancing failed to find a valid mailbox database<\/strong>.<\/p>\n<p>Fortunately Google helped us pretty fast. Following the tips in <a href=\"https:\/\/social.technet.microsoft.com\/Forums\/en-US\/e5963f0e-f79d-4cdd-8bcc-1fdf01842c3a\/enablemailbox-load-balancing-failed-to-find-a-valid-mailbox-database?forum=exchange2010\">this article<\/a>, we used these Powershell commando to check if the Exchange database was excluded from provisioning:<\/p>\n<pre><code>Get-mailboxdatabase | ft name,isexcludedfromprovisioning\r\nGet-mailboxdatabase | ft name,issuspendedfromprovisioning<\/code><\/pre>\n<p>If any of the statements returns true, than that is the issue. Run the following commands to enable them: <\/p>\n<pre><code>Set-MailboxDatabase \"MailboxDatabaseName\" -IsSuspendedFromProvisioning $false\r\nSet-MailboxDatabase \"MailboxDatabaseName\" -IsExcludedFromProvisioning $false<\/code><\/pre>\n<p>As mentioned in the article, if disk space has been running low on the Exchange server these settings can be changed to true. So this is really a situation the can occur in existing Provisior instances as well. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>While setting up Provisior at a new customer we ran into an error while testing the on-boarding of a new user. The mailbox could not be enabled in the local Exchange 2013 server. The error Exchange returned was: Load balancing failed to find a valid mailbox database. Fortunately Google helped<\/p>\n","protected":false},"author":2,"featured_media":1355,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[96,95,97],"class_list":["post-1349","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-provisior","tag-error","tag-exchange","tag-powershell"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fix: Load balancing failed to find a valid mailbox database - Provisior Tech Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.provisior.nl\/techblog\/2019\/07\/31\/fix-load-balancing-failed-to-find-a-valid-mailbox-database\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fix: Load balancing failed to find a valid mailbox database - Provisior Tech Blog\" \/>\n<meta property=\"og:description\" content=\"While setting up Provisior at a new customer we ran into an error while testing the on-boarding of a new user. The mailbox could not be enabled in the local Exchange 2013 server. The error Exchange returned was: Load balancing failed to find a valid mailbox database. 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