{"id":361,"date":"2014-11-19T00:19:52","date_gmt":"2014-11-19T00:19:52","guid":{"rendered":"https:\/\/kinglou.itgroove.net\/?p=361"},"modified":"2023-02-24T21:39:51","modified_gmt":"2023-02-24T21:39:51","slug":"post-exchange-mailbox-database-cleanup-after-migration-to-office-365","status":"publish","type":"post","link":"https:\/\/regroove.ca\/archive\/2014\/11\/19\/post-exchange-mailbox-database-cleanup-after-migration-to-office-365\/","title":{"rendered":"Post Exchange mailbox database cleanup after migration to Office 365"},"content":{"rendered":"

Post Exchange mailbox database cleanup to Office 365<\/h4>\n

My initial issue was thus. I had done a cut migration from Exchange 2013 to Office 365. Everything was working fine and I had kept my existing server intact to be used in conjunction with DirSync for a Hybrid solution. The existing on premises server was still using up considerable drive space for the\u00a0EDB<\/strong>\u00a0files and I was backing up this considerable data daily. Every article I read on\u00a0post migration cleanup never did seam to mention what to do with the remaining data. They would say to either decommission the Exchange server or leave it alone as the Hybrid\/DirSync combo. No mention of any cleanup of the old data.<\/p>\n

The answer in the end was pretty simple and I’m actually a little embarrassed it took me so long to figure it out.<\/p>\n

I logged into the on premises Exchange Server and ran the\u00a0Exchange Management Shell<\/strong>. From there I checked out the databases to see how much white space they had.<\/p>\n

Get-MailboxDatabase -Status | ft name,databasesize,availablenewmailboxspace -auto<\/strong><\/em><\/p>\n

The\u00a0AvailableNewMailboxSpace<\/strong>\u00a0showed me embarrassingly that my databases were mostly white space…<\/p>\n

\"Post<\/a><\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

To release the white space I logged into the\u00a0Exchange Admin Center -> Servers -> Databases<\/strong>\u00a0& dismounted the databases.<\/p>\n

Then from the shell I navigated to the folder containing the databases and ran\u00a0ESEUtil<\/strong>\u00a0to defrag each one.<\/p>\n

eseutil \/d “databasename.edb”<\/strong><\/em><\/p>\n

\"el2\"<\/a><\/p>\n

After that I mounted the databases back up, turned on circular logging and my Exchange server drives were now nice and trim! Just make sure you have enough drive space to perform the defrag as it creates a new file temporarily.<\/p>\n","protected":false},"excerpt":{"rendered":"

Post Exchange mailbox database cleanup to Office 365 My initial issue was thus. I had done a cut migration from Exchange 2013 to Office 365. Everything was working fine and I had kept my existing server intact to be used in conjunction with DirSync for a Hybrid solution. The existing on premises server was still … <\/a><\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[231,247],"tags":[386,122,453,482,484],"acf":[],"yoast_head":"\nPost Exchange mailbox database cleanup after migration to Office 365 - Archive<\/title>\n<meta name=\"description\" content=\"Post Exchange mailbox database cleanup\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/regroove.ca\/archive\/2014\/11\/19\/post-exchange-mailbox-database-cleanup-after-migration-to-office-365\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Post Exchange mailbox database cleanup after migration to Office 365 - 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