Office 365:Mailbox Migration 考量點之調整Mailbox Size

Blog 地址:https://blog.51cto.com/13969817shell

目前有不少公司IT都有計劃的將用戶郵箱遷移到Office 365作集中管理,好比網易郵箱->Exchange Online,好比Gmail->Exchange Online,好比不一樣Office 365 Tenant的Mailbox遷移等等,但在作遷移過程當中會由於前期考慮不足,新平臺的Mailbox size 默認50GB,小於舊平臺的存儲數值,沒有在遷移前及時調整,致使mailbox遷移失敗,因此咱們遷移前必定要作好規劃,好比以Office 365爲例,針對不一樣的Office 365 plan,Mailbox的default size是不一樣的,參照下表。ide

Office 365:Mailbox Migration 考量點之調整Mailbox Size

默認Office 365 mailbox中的message size是25 MB,但有些公司高level的職員message Size遠大於25MB,在作郵箱遷移時,也須要提早將Size調整到75MB,避免遷移是存儲空間超限制,遷移失敗。3d

接下來分享一下如何經過Windows PowerShell將Mailbox Size從50GB調整到100GB

1.鏈接 Exchange Online:
$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirectioncode

Office 365:Mailbox Migration 考量點之調整Mailbox Size

2.回車,輸入Office 365 Global Admin的用戶名和密碼:blog

Office 365:Mailbox Migration 考量點之調整Mailbox Size

3.導入Remote PowerShell Sessionip

Office 365:Mailbox Migration 考量點之調整Mailbox Size

  1. 針對有須要的員工設置Mailbox Size,好比Byron的Mailbox size爲100 GB, send的Limit是19 GB,Warning的Limitation:18 GBget

    Set-Mailbox byron0928@XXXTrainingCN.onmicrosoft.com -ProhibitSendQuota 99GB -ProhibitSendReceiveQuota 100GB -IssueWarningQuota 98GBit

Office 365:Mailbox Migration 考量點之調整Mailbox Size

檢查一下設置是否已經更新

Get-Mailbox byron0928@XXXTrainingCN.onmicrosoft.com | Select *quota

Office 365:Mailbox Migration 考量點之調整Mailbox Size

更多說明:

  • 企業中全部用戶設置Mailbox size: 命令爲:
    Get-Mailbox | Set-Mailbox -ProhibitSendQuota < Value > -ProhibitSendReceiveQuota < Value > -IssueWarningQuota < Value > io

  • 企業中某個部門的用戶設置Mailbox size命令爲:class

    Get-User | where {$_.Department -eq "Sales"} | Get-Mailbox | Set-Mailbox -ProhibitSendQuota < Value > -ProhibitSendReceiveQuota < Value > -IssueWarningQuota < Value >

  • 如何增長企業員工的Mail Attachment Size
  • 更多連接:Set-MailboxExchange Online Limits
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