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Thank you, that sounds like a great plan - can you offer any insight into how we can script the SMTP in and out?
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Thank you, that sounds like a great plan - can you offer any insight into how we can script the SMTP in and out?

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use vbscript and ADSI, I don't have an example script at hand as I'm at work, but there are plenty examples on the internet
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use vbscript and ADSI, I don't have an example script at hand as I'm at work, but there are plenty examples on the internet

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We recently were using a tool to import e-mail address into active directory and accidentally completely wiped out all of the e-mail addresses that were associated with our Exchange users. &nbsp;Any user who had &quot;Automatically update email addresses based on e-mail address policy&quot; checked seem to be unaffected but anyone who did not have it checked suddenly have no e-mail addresses anymore. &nbsp;<br />
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We do have backups of Exchange and AD and the &quot;recycle bin&quot; features of AD are enabled although I don't think they will help as the objects were not deleted.<br />
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<b>How can we go back an restore all of the e-mail addresses associated with each user?</b><br />
<i>And no, we will not be using the AD import tool again. . .</i><br />
<br />
<b>Environment:</b><br />
Server 2008 R2<br />
Exchange 2010 SP2 (14.2.247.5)<br />
Active Directory Recycle Bin is enabled
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We recently were using a tool to import e-mail address into active directory and accidentally completely wiped out all of the e-mail addresses that were associated with our Exchange users.  Any user who had "Automatically update email addresses based on e-mail address policy" checked seem to be unaffected but anyone who did not have it checked suddenly have no e-mail addresses anymore.  

We do have backups of Exchange and AD and the "recycle bin" features of AD are enabled although I don't think they will help as the objects were not deleted.

How can we go back an restore all of the e-mail addresses associated with each user?
And no, we will not be using the AD import tool again. . .

Environment:
Server 2008 R2
Exchange 2010 SP2 (14.2.247.5)
Active Directory Recycle Bin is enabled

Rollback Massive Updates to Email Address in Active Directory / 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.

Active Directory

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.

Windows Server 2008

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.