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Rich Smith
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Exchange 2010 Cutover migration

Hi,

We are finally looking to migrate from Exchange 2010 to 365, it’s a small number of users so I’m looking to complete this over a weekend with a cutover migration.

 

I have tried to add a migration endpoint in Exchange Online which fails and refers to https://testconnectivity.microsoft.com/

When I run the Exchange Server Outlook Connectivity test, these are the results, do I need to add a rule to TMG?

 

 

 

 

 

Our Set up

Microsoft Forefront Threat Management Gateway 2010 (Server 2008 R2)

Exchange 2010 Mailbox server (Server 2008 R2)

Exchange 2010 – Hut Transport + CAS (Server 2008 R2)

Using Lets Encrypt SSL Certificate

 

Internal URL

https://Exchange.companyA.com/owa

 

External URL

https://portal.companyB.com/owa

 


ExchangeOutlookMicrosoft

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Last Comment
M A

8/22/2022 - Mon
M A

Hi Rich,
Did you configure RPCoHTTP in Exchange 2010?
And if you have all the roles installed in one server try disabling IPV6.

Rich Smith

ASKER
Hi MAS,
I think I have enabled Outlook Anywhere, I can connect Outlook 2013 to my mailbox from a non-domain joined laptop.
M A

-->I think I have enabled Outlook Anywhere, I can connect Outlook 2013 to my mailbox from a non-domain joined laptop.
What about a user from internet?

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rwheeler23
Rich Smith

ASKER
Hi,
I am now at home (I was testing in the office earlier) I can connect Outlook on my personal laptop and send/receive emails.
Rich Smith

ASKER
Hi,

Does anyone have any ideas?

Thanks,
M A

Please check this for your reference and let us know if the same issue persists.
https://community.spiceworks.com/how_to/115195-cutover-migration-to-o365-for-on-premises-exchange-2010
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Rich Smith

ASKER
I'm still getting stuck at step 11 

Step 11: Configure your migration batch endpoint


Could it be the TMG 2010?
M A

Yes Please try bypassing it.
Without mig endpoint your migrations will fail.
Rich Smith

ASKER
thank you for all the replies, I have decided to export the mailboxes and import the PSTs.

One final question, what is the best way of stopping the users from connecting the exchange once I start the migration, I cant remove the server currently due to dependencies  
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M A

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