Shulou(Shulou.com)06/02 Report--

Recently, the company migrated Exchange2010 to Exchange2016 across domains. Because the mailbox data is imported and exported by pst, undelivered returns are received when replying to previous messages.

Although you can re-enter the address to solve the problem, it is very inconvenient for students to use it. After inquiry, the problem can be solved by adding the X500 address of the original mailbox system to the new mailbox system.

Mailboxes, distribution groups, conference rooms, etc., can all use the following methods

First, the original mailbox X500 address view, and batch export

X500 address export of the original mailbox system

Get-Mailbox-ResultSize unlimited | Select-Object PrimarySmtpAddress,LegacyExchangeDN | Export-Csv-Encoding utf8-Path D:\ scripts\ x500.csv

X500.csv file (modified)

Upn,x500zhaodongwei@demo.com,X500:/o=DEMO/ou=Exchange Administrative Group (FYDIBOHF23SPDLT) / cn=Recipients/cn=user9e3fb5871111@demo.com,X500:/o=DEMO/ou=Exchange Administrative Group (FYDIBOHF23SPDLT) / cn=Recipients/cn=???2222@demo.com,X500:/o=DEMO/ou=Exchange Administrative Group (FYDIBOHF23SPDLT) / cn=Recipients/cn=??

Second, the new mailbox X500 address batch import

Import-Csv D:\ scripts\ x500.csv | foreach {Set-Mailbox-Identity $_ .upn-EmailAddresses @ {Add= $_ .x500}}

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