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Yes, but this setting is to set OFFLINE connection, so if your user will be connected to your local network he will be consider as ONLINE user so this policy will NOT applied to him.<br />
He will be able to see whole email history.<br />
<br />
For ONLINE (connected to domain) users there is no way to shrink cached mode view.
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Yes, but this setting is to set OFFLINE connection, so if your user will be connected to your local network he will be consider as ONLINE user so this policy will NOT applied to him.
He will be able to see whole email history.

For ONLINE (connected to domain) users there is no way to shrink cached mode view.

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See the below screenshot on what the settings should be, &nbsp;but I have it set for 1 month, you will need to set it for 90 days. Looking at the screenshot you can see the path to the admx templates for outlook under user configuration &gt;&nbsp;policies &gt;&nbsp;administrative templates &gt;&nbsp;your version of outlook and there you will find the policy options to enable and modify.<br />
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<a href="https://filedb.experts-exchange.com/incoming/2018/05_w20/1313382/Capture.PNG" target="_blank" title="cache (30 KB)"><img alt="cache" class="file-block lazyload" style="max-width: 800px;" data-src="https://filedb.experts-exchange.com/incoming/2018/05_w20/800_1313382/Capture.PNG" /></a>
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See the below screenshot on what the settings should be,  but I have it set for 1 month, you will need to set it for 90 days. Looking at the screenshot you can see the path to the admx templates for outlook under user configuration > policies > administrative templates > your version of outlook and there you will find the policy options to enable and modify.

cachehttps://filedb.experts-exchange.com/incoming/2018/05_w20/1313382/Capture.PNG

Capture.PNG

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Can someone give me an example of applying the group policy to a OU.
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Can someone give me an example of applying the group policy to a OU.

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Once you create the GPO apply it to your OU<br />
ref link: &nbsp;<a href="https://www.petri.com/how-to-create-and-link-a-group-policy-object-in-active-directory" rel="ugc">https://www.petri.com/how-to-create-and-link-a-group-policy-object-in-active-directory</a>
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Once you create the GPO apply it to your OU
ref link:  https://www.petri.com/how-to-create-and-link-a-group-policy-object-in-active-directory [https://www.petri.com/how-to-create-and-link-a-group-policy-object-in-active-directory]

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Group Policy to limit users Exchange cache mode to 90 days.<br />
<br />
How can I create a Group Policy in Windows 2008 server r2 to restrict their Exchange cache mode to 90 days with will be should be grayed out in Outlook 2013. <br />
<br />
If you can give it to me in steps that would be great,
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Group Policy to limit users Exchange cache mode to 90 days.

How can I create a Group Policy in Windows 2008 server r2 to restrict their Exchange cache mode to 90 days with will be should be grayed out in Outlook 2013. 

If you can give it to me in steps that would be great,

Group Policy to Restrict Exchange Cache in Outlook.

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

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.

Outlook

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

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.