Set-Mailbox "John.Doe" -UseDatabaseQuotaDefaults $false -IssueWarningQuota 9.5GB -ProhibitSendQuota 10GB -ProhibitSendReceiveQuota 15GB
Categories:
Exchange,
PowerShell
Set-Mailbox "John.Doe" -UseDatabaseQuotaDefaults $false -IssueWarningQuota 9.5GB -ProhibitSendQuota 10GB -ProhibitSendReceiveQuota 15GB