68 lines
2.8 KiB
Markdown
68 lines
2.8 KiB
Markdown
# Exchange Online PowerShell Migration Tools
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This is a collection of useful commands and scripts to aid in Exchange Online tenant migrations.
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Before running these commands, [install and import the Exchange Online PowerShell module](https://learn.microsoft.com/en-us/powershell/exchange/connect-to-exchange-online-powershell?view=exchange-ps) and connect:
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```powershell
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Install-Module ExchangeOnlineManagement
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Import-Module ExchangeOnlineManagement
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Connect-ExchangeOnline
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```
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## Get email aliases
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Use this command to get a list of aliases for all mailboxes. Optionally specify a mailbox: `Get-Mailbox 'bsmith@contoso.com' | ...`
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```powershell
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Get-Mailbox | select DisplayName,PrimarySmtpAddress,@{n='EmailAliases';e={$_.EmailAddresses -cnotmatch 'SMTP:|SPO:|SIP:|[xX]500:' -replace 'smtp:','' -join ',' }}
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```
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```
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DisplayName PrimarySmtpAddress EmailAliases
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----------- ------------------ ------------
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Barbie Smith bsmith@contoso.com barbie@contoso.onmicrosoft.com
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Clement Jones cjones@contoso.com clement@contoso.onmicrosoft.com
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```
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If you'd like to export this to CSV, replace the `-join` parameter with a semicolon, and pipe to `Export-Csv` like so:
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```powershell
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Get-Mailbox | select DisplayName,PrimarySmtpAddress,@{n='EmailAliases';e={$_.EmailAddresses -cnotmatch 'SMTP:|SPO:|SIP:|[xX]500:' -replace 'smtp:','' -join ';' }} | Export-Csv -Path 'C:\Path\To\Export.csv' -NoTypeInformation
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```
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## Get group membership
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Get a list of distribution and Microsoft 365 Teams and their members.
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```powershell
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Get-Group | where { $_.RecipientType -ne "Group" } | select DisplayName,@{n='Members';e={ $_.Members -join ',' }
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```
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Follow the same process as above to export to CSV.
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## Grant-SPOPersonalSiteCollectionAdmin
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Use this script to grant an admin or migration account the CollectionAdmin role to all personal SharePoint Online sites (OneDrive). This is required if using a single migration account to copy OneDrive data to a new tenant.
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Before running this script, [install and import the SharePoint Online PowerShell module](https://learn.microsoft.com/en-us/powershell/sharepoint/sharepoint-online/connect-sharepoint-online):
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```powershell
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Install-Module Microsoft.Online.SharePoint.PowerShell
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Import-Module Microsoft.Online.SharePoint.PowerShell
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```
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The script will connect to the SPO Admin center with the configured admin center URL:
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```powershell
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# Set the SharePoint Admin page URL
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$AdminUrl = 'https://contoso-admin.sharepoint.com'
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```
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You will also need to set the UPN of the migration account:
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```powershell
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# Set the migration account name
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$MigrationAccount = 'migration@contoso.com'
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``` |