<div>
What are the domain functional levels on both forests?
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What are the domain functional levels on both forests?

<div>
That's because of Windows Server 2008 Firewall :)<br />
Disable all 3 profiles and check again :]<br />
<br />
Regards,<br />
Krzysztof
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That's because of Windows Server 2008 Firewall :)
Disable all 3 profiles and check again :]

Regards,
Krzysztof

<div>
Of course, 3 firewall profiles :) (public, private and domain)<br />
<br />
Krzysztof
</div>


Of course, 3 firewall profiles :) (public, private and domain)

Krzysztof

<div>
Yes I can see the button is available now after disabling the firewall, thanks.<br />
<br />
Which ports do I need to open, as I'd rather not leave the firewall off in the long-run!
</div>


Yes I can see the button is available now after disabling the firewall, thanks.

Which ports do I need to open, as I'd rather not leave the firewall off in the long-run!

<div>
Grayed out New Trusts usually means you don't have specific rights to create trusts
</div>


Grayed out New Trusts usually means you don't have specific rights to create trusts

<div>
Make exceptions in Domain firewall's profile :)<br />
<br />
Krzysztof
</div>


Make exceptions in Domain firewall's profile :)

Krzysztof

<div>
Do you need any other help on that?<br />
<br />
Krzysztof
</div>


Do you need any other help on that?

Krzysztof

<div>
<div class="content wysiwyg-content">
Hi Experts<br />
<br />
I have three domain controllers; two 2008 DCs, and one 2003 DC (FSMO role holder).<br />
<br />
I need to create a forest trust, and when I go to AD Domains and Trusts -&gt; Domain properties, the 'New Trust' button is greyed out on the two 2008 DCs but is available on the 2003 DC.<br />
<br />
Why is this?<br />
<br />
Thanks
</div>
</div>


Hi Experts

I have three domain controllers; two 2008 DCs, and one 2003 DC (FSMO role holder).

I need to create a forest trust, and when I go to AD Domains and Trusts -> Domain properties, the 'New Trust' button is greyed out on the two 2008 DCs but is available on the 2003 DC.

Why is this?

Thanks

Creating a forest trust

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 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).

Windows Server 2003

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.