Here is your next installment in the troubleshooting hybrid migrations blog series! See:
Exchange Hybrid Migrations: More Than Just a Pretty Face (Part 1)
Digging Into Hybrid Migration Move Rep...
Updated Oct 29, 2020
Version 2.0
Blog Post
Mirela_Buru
Microsoft
MicrosoftHow does your CSV look like? You normally have one column EmailAddress with the EmailAddress of the Target Mail User. Make sure email address is correct here.
Also, make sure you have the target user retrieved with Get-MailUser <Exact EmailAddress from the CSV> and not Get-MailContact.
Here is a table with a sample user from the doc Cross-tenant mailbox migration - Microsoft 365 Enterprise | Microsoft Learn, with the attributes side by side
|
|
Source Mailbox |
Target Mail User |
|
Alias |
LaraN |
LaraN |
|
RecipientType |
UserMailbox |
MailUser |
|
RecipientTypeDetails |
UserMailbox |
MailUser |
|
UserPrincipalName |
LaraN@contoso.onmicrosoft.com |
LaraN@northwintraders.onmicrosoft.com |
|
PrimarySmtpAddress |
Lara.Newton@contoso.com |
Lara.Newton@northwindtraders.com |
|
ExchangeGUID |
1ec059c7-8396-4d0b-af4e-d6bd4c12a8d8 |
1ec059c7-8396-4d0b-af4e-d6bd4c12a8d8 |
|
LegacyExchangeDN |
/o=First Organization/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=d11ec1a2cacd4f81858c81907273f1f9-Lara |
/o=First Organization/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=74e5385fce4b46d19006876949855035-Lara |
|
EmailAddresses |
SMTP:Lara.Newton@contoso.com
|
SMTP:Lara.Newton@northwindtraders.com
|
|
smtp:LaraN@contoso.onmicrosoft.com
|
smtp:LaraN@northwindtraders.onmicrosoft.com
|
|
|
X500:/o=ExchangeLabs/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=f161af74128f460fba5c0c23984b3d6c-Lara |
X500:/o=ExchangeLabs/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=f161af74128f460fba5c0c23984b3d6c-Lara
|
|
|
|
x500:/o=First Organization/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=d11ec1a2cacd4f81858c81907273f1f9-Lara |
|
|
ExternalEmailAddress |
N/A |
SMTP:LaraN@contoso.onmicrosoft.com |