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Please check if the DL's and contacts are not hidden from GAL.
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Please check if the DL's and contacts are not hidden from GAL.

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Thanks for reply. <br />
I checked that and all are visible to GAL
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Thanks for reply.
I checked that and all are visible to GAL

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How many no of mailboxes have you synced to office 365 in batch? and how many object its showing in the batch?
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How many no of mailboxes have you synced to office 365 in batch? and how many object its showing in the batch?

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481 users synced<br />
60 DGs not synced<br />
200 Contacts not synced
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481 users synced
60 DGs not synced
200 Contacts not synced

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That's correct. &nbsp;I've checked on 365 &amp;&nbsp;Exchange Online. I've done a get-recipient, get-msol-group, get-distribution-group
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That's correct.  I've checked on 365 & Exchange Online. I've done a get-recipient, get-msol-group, get-distribution-group

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<div class="content wysiwyg-content">
I have a Cutover Migration Batch that I have created (and recreated in an attempt to remediate this issue) and it is running.<br />
It will migrate all the mailboxes but it does not even see the Distribution Groups or Contacts.<br />
Exchange 2010 on premise.<br />
<br />
Any ideas? <br />
<br />
Thank you for your time in advance!<br />
K.B.
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I have a Cutover Migration Batch that I have created (and recreated in an attempt to remediate this issue) and it is running.
It will migrate all the mailboxes but it does not even see the Distribution Groups or Contacts.
Exchange 2010 on premise.

Any ideas? 

Thank you for your time in advance!
K.B.

Office 365 MIgration Batch does not see any Distribution Groups or Contacts

Office 365 is a group of software plus services subscriptions that provides productivity software and related services to its subscribers. Office 365 allows the use of Microsoft Office apps on Windows and OS X, provides storage space on Microsoft's cloud storage service OneDrive, and grants 60 Skype minutes per month. Office 365 includes e-mail and social networking services through hosted versions of Exchange Server, Skype for Business Server, SharePoint and Office Online, integration with Yammer, as well as access to the Office software. All of Office 365's components can be managed and configured through an online portal; users can be added manually, imported from a CSV file, or Office 365 can be set up for single sign-on with a local Active Directory using Active Directory Federation Services.

Microsoft 365

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.