PowerShell Management Series (26) PowerShell Operations Bulk Export & Import Mailbox

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Project sometimes do cross-forest mailbox migration time, conditions are not mature, such as security considerations or other considerations, can not do double-forest trust, this raises a question, how to use the history of mail, A simple and efficient solution is to bulk export messages from the source forest to a. pst file, in bulk Import into the destination domain forest, as follows:

1, give the Management account mail import and export permissions, the command is as follows:

Cls

WhoAmI

New-managementroleassignment-name "Import export_domain Admins"-user "Administrator"-role "Mailbox Import Export"

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2, Bulk export mail to the C-Drive export folder, you need to pay attention to the corresponding disk space is sufficient, the command is as follows:

Get-mailbox-organizationalunit "Contoso.com/contoso"-resultsize Unlimited | %{new-mailboxexportrequest-mailbox $_.name-filepath ("\\localhost\c$\export\" + ($_.name) + ". pst")-baditemlimit 50}

We can see that the. pst file for each account is generated under the C:\export folder

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3, Batch import PST file to the destination email address, the command is as follows:

Get-childitem \\localhost\c$\export\*.pst | Select Name,basename | %{new-mailboximportrequest-mailbox $_.basename-filepath ("\\localhost\c$\export\" +$_.name)-baditemlimit 50}

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This article is from the "Zhou Ping Microsoft Technology Exchange Platform" blog, please be sure to keep this source http://yuntcloud.blog.51cto.com/1173839/1712956

PowerShell Management Series (26) PowerShell Operations Bulk Export & Import Mailbox