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Logon dates for Microsoft Office 365 Exchange Online user

Is it possible to find all of the logon dates for a single Microsoft Office 365/Exchange Online user using powershell?  I see a command to get the last logon date, but I have been asked to provide the first logon date, and all logon dates since.  We migrated about 4 months ago.  

Is there a powershell command or script that will provide this?

Thank you
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TOHIT
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TOHIT
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AmitIT ArchitectCommented:
As far as, i know you can find only last logon date. So, chances are rare or impossible to fetch, until MS is maintaining it somewhere....However, you can use mailbox level auditing, that can provide you lot of information, but need to be enabled first.

Check below article for more ref:

https://www.cogmotive.com/blog/office-365-tips/enable-mailbox-auditing-for-office-365-users
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Vasil Michev (MVP)Commented:
AuditOwner is NOT available in Exchange Online, so you're pretty much left with no option. Open a case with Microsoft and see what they come up with...
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TOHITAuthor Commented:
Actually Microsoft replied with a powershell command that worked for what I needed. The only problem I had was that it gave me a list of all users for the time frame that I selected, and although it provided the correct dates, all logon times showed as 12:00 a.m., not sure why.  

The command, run from exchange powershell is:

Get-ConnectionByClientTypeDetailReport -StartDate 12/15/2013 -EndDate 03/31/2014 -resultsize Unlimited | Out-GridView

You can change the result size if you want to limit it, and need to customize the startdate and endate.
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TOHITAuthor Commented:
The other comments were helpful, but Microsoft finally responded to a service ticket with the information that I needed.  I posted it here in case anyone else was looking for the information.
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