<div>
What type of migration did you perform? Are you able to access the mailbox from the Outlook Web App? Have you checked the default permissions, perhaps somebody has messed with them :)
</div>


<div>
<div class="content wysiwyg-content">
Hi EE,<br />
<br />
I have migrated a user to O365 and now cannot login. &nbsp;When I go to the home page and click Inbox I get &quot;You don't have permission to open this mailbox&quot;<br />
<br />
Help!
</div>
</div>


Hi EE,

I have migrated a user to O365 and now cannot login.  When I go to the home page and click Inbox I get "You don't have permission to open this mailbox"

Help!

What type of migration did you perform? Are you able to access the mailbox from the Outlook Web App? Have you checked the default permissions, perhaps somebody has messed with them :)

Migrated user to O365 and now error &quot;You don&#39;t have permission to log on.&quot;

Hi EE,

I have migrated a user to O365 and now cannot login.  When I go to the home page and click Inbox I get &quot;You don&#39;t have permission to open this mailbox&quot;

Help!

Migrated user to O365 and now error &quot;You don't have permission to log on.&quot;

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

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.

Migrated user to O365 and now error &quot;You don't have permission to log on.&quot;

Migrated user to O365 and now error "You don't have permission to log on."