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Can you provide more details to your situation? Please Clarify.
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Can you provide more details to your situation? Please Clarify.

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I have an email address that is sales@mydomain.com. &nbsp;There are no users or distribution groups within AD with that name. &nbsp;How can I find it in Active Directory?
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I have an email address that is sales@mydomain.com.  There are no users or distribution groups within AD with that name.  How can I find it in Active Directory?

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sales@mydomain.com is probably a mail alias for a user in your AD.<br />
<br />
you can look at the message hearder from sales@mydomain.com if you got an email from sales@mydomain.com and it should have details as to the AD user.<br />
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sales@mydomain.com is probably a mail alias for a user in your AD.

you can look at the message hearder from sales@mydomain.com if you got an email from sales@mydomain.com and it should have details as to the AD user.



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You can also use the AD searh tool:<br />
<br />
Right click on domain, select search, click advanced tab, click &quot;Fields&quot; button and select &quot;E-Mail address&quot; and set the search criteria.<br />

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You can also use the AD searh tool:

Right click on domain, select search, click advanced tab, click "Fields" button and select "E-Mail address" and set the search criteria.


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I dont have an email that was sent from that user. &nbsp;How else can I find out?
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I dont have an email that was sent from that user.  How else can I find out?

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I have an exchange email address. &nbsp;How can I determine which user it is mapped to?
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I have an exchange email address.  How can I determine which user it is mapped to?

Map and Exchange Email Address to a User

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.