Bunthoeurn

Enable Online Archive

//// connect to exchange online powershell /////

Install exchange online management

More Details:
https://docs.microsoft.com/en-us/powershell/exchange/connect-to-exchange-online-protection-powershell?view=exchange-ps

Connect to exchange online powershell with MFA

Set-ExecutionPolicy RemoteSigned
Install-Module -Name ExchangeOnlineManagement
Import-Module ExchangeOnlineManagement
Get-Module ExchangeOnlineManagement
Update-Module -Name ExchangeOnlineManagement

Connect-ExchangeOnline -UserPrincipalName sin@domain.com -DelegatedOrganization youdomain.onmicrosoft.com

/////// get retentionpolicy info ///////

Get-Mailbox | FL RetentionPolicy

/// get retentionholdeenable /////////// make it is set to false ////
Get-Mailbox “sin@domain.com” | Select RetentionHoldEnabled

/// if the status is true , set it to $false //////
Set-Mailbox “sin@domain.com” -RetentionHoldEnabled $false

//// Enable online archive //////

Enable-Mailbox -Identity “” -Archive

/// force start archive job //////

Start-ManagedFolderAssistant -Identity “sin@domain.com”

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–//// Enalbe AutoExpandingArchive —//////
Enable-Mailbox sin@domain.com -AutoExpandingArchive

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https://docs.microsoft.com/en-us/powershell/module/exchange/start-managedfolderassistant?view=exchange-ps

////////////Get-MailboxStatistics ///////////
Get-MailboxStatistics -Identity sin@domain.com -Archive | Select DisplayName, TotalItemSize, ItemCount