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I have migrated a user from an Exchange 2007 server to Office 365 after which my user was unable to acccess their voice mail box. The error message is &quot;Unified Messaging PIN info couldn't be retrieved for mailbox 'kbailey@daxko.com' : There was an error accessing the mailbox using EWS. The requested operation failed with ResponseCode &quot;ErrorUnifiedMessagingRequ<wbr />estFailed&quot;<wbr />. Details : The UnifiedMessaging request failed.. &quot;&nbsp;According to <a href="http://msdn.microsoft.com/en-us/library/microsoft.exchange.webservices.data.serviceerror%28v=exchg.80%29.aspx" rel="ugc nofollow">http://msdn.microsoft.com/en-us/library/microsoft.exchange.webservices.data.serviceerror%28v=exchg.80%29.aspx</a>&nbsp;<br />
&nbsp;&quot;ErrorUnifiedMessagingRequ<wbr />estFailed&quot;<wbr /> indicates that the user could not be found which makes no sense (Microsoft error messages rarely do) because the user migrated to Office 365 and they are able to do everything else (email, calendar, etc.) When I try to add the dial plan it gives me a HTTP 400 error. Can you guys help me?
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I have migrated a user from an Exchange 2007 server to Office 365 after which my user was unable to acccess their voice mail box. The error message is "Unified Messaging PIN info couldn't be retrieved for mailbox 'kbailey@daxko.com' : There was an error accessing the mailbox using EWS. The requested operation failed with ResponseCode "ErrorUnifiedMessagingRequestFailed". Details : The UnifiedMessaging request failed.. " According to http://msdn.microsoft.com/en-us/library/microsoft.exchange.webservices.data.serviceerror%28v=exchg.80%29.aspx 
 "ErrorUnifiedMessagingRequestFailed" indicates that the user could not be found which makes no sense (Microsoft error messages rarely do) because the user migrated to Office 365 and they are able to do everything else (email, calendar, etc.) When I try to add the dial plan it gives me a HTTP 400 error. Can you guys help me?

Office 365 UM Error

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.