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I assume you have Exchange 2010? Exchange 2010 is incompatible with domain renaming<br />
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Good article <a href="https://blog.varonis.com/risks-renaming-your-domain-in-active-directory/" rel="ugc">here </a>. The biggest mistake people do is not to allow computers to restart twice before the cleanup command. The result is that computers need to be rejoined to domain
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We dont have a exchange server
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Can I ask why you want to make the change?<br />
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You could add an alternate UPN suffix in Active directory domains and trusts. Also a DNS zone that you may or may not already have to resolve for the domain.
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Actually,we are using lync 2010 but we dont have a conversation history in outlook.Because our domain name was xxx.xom and our email domain name was xxx.in so we can't able to save lync history .We don't have a exchange server so we planned for change our domain name from xxx.com to xxx.in then easily store the lync 2010 history in outlook 2007.It is possible or not?<br />
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If i change name from xxx.com to xxx.in in active directory before add a new DNS zone.Then we make change our domain name.Its is possible?
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Where did you read that that is necessary step?
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i didn't read above these steps.this is my idea for lync 2010 history save in outlook 2007.
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I am not following. &nbsp;You &quot;think&quot; this solution will work? &nbsp;I am not a lync engineer but I would think this is based on sip addresses not active directory domain. However if there is documentation I would be interested in reading it.
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Apparently you can just disable email comparison check on the Lync client policy and that will resolve you Lync conversation history issue
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UPN suffix means add a new domain from parent domain.For example-&gt;My domain was xxx.com . If i created yyyy.in it will be add under the xxx.com. it is correct?
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No. Actually it's in domains and trusts. Adding alternate upn suffix<br />
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Seems Shaun has your solution however.
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how to disable email comparison in lync 2010 shan .please tell me
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<div class="content wysiwyg-content">
Hi,<br />
<br />
&nbsp; &nbsp; &nbsp;Our website name was xxx.in &amp;&nbsp;our email domain also xxx.in but our domain name was xxx.com.I want change my domain from .com to .in for several purposes.If I change my current domain xxx.com to xxx.in what are the problems we will face?.please tell us about this type of issue. we have a TFS,Lync 2010,etc.
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Hi,

     Our website name was xxx.in & our email domain also xxx.in but our domain name was xxx.com.I want change my domain from .com to .in for several purposes.If I change my current domain xxx.com to xxx.in what are the problems we will face?.please tell us about this type of issue. we have a TFS,Lync 2010,etc.

Domian name change

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

A domain controller is a server that responds to security authentication requests within a computer network domain. It is a network server that is responsible for allowing host access to domain resources. It authenticates users, stores user account information and enforces security policy for a domain