SOLVED: Is It Safe To Delete The Old Exchange Builds In C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\Owa\prem ?
In a word, yes. You can safely recover many GB’s of disk space by deleting the old versions of C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\Owa\prem , however there are a couple of things to know before you go deleting what you think are old and unsused MS Exchange files / folders. How To Read more…