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cached mode for outlook 2013

Hi Experts,

We do have an Exchange 2010 SP3 organization where most of users use outlook 2010 on cached mode. There are also some clients using outlook 2013.

Now, we are in the process of introducing new outlook clients [profile and new version of 2013] and I would like to know what are the pros and cons of implementing a new GPO to setup cached mode for new and existing Outlook profiles (outlook 2013) [this is for safe senders list]

According to link below, we should add a couple of keys to complete the GPO

http://technet.microsoft.com/en-us/library/cc179175.aspx

Add registry subkey for safe senders list for Outlook 2010 & 2013
[HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\Options\Mail]
"JunkMailImportLists"=dword:00000001

[HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Options\Mail]
"JunkMailImportLists"=dword:00000001

Any advice?

Your thoughts?

Exchange environment

2 CAS&HUB VMs one for each datacenter, running Exchange 2010 SP3. OS Windows 2008 R2 latest updates.

2 MBX VMs on a DAG, one for each datacenter with same specs above

Stelian Stan

You can also have a look on this link to setup Cash Mode.

By having Outlook in Cash Mode it will improve your Exchange performance. More information on the link provided above.

Jerry Seinfield

ASKER

SOLUTION

Adam Farage

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Jerry Seinfield

ASKER

Thanks for the explanation

Can you please provide your thoughts in terms of applying a GPO to setup cached mode for the new and existing outlook 2013 profiles?

What will happen with the new and old profiles once the GPO has been deployed?

Any major service impact? Any risk to lost some information? for example, safe senders list for each user's profile?

Adam Farage

Setting up the ADMX template is a pain, but it does the job. All it will do is say "you must be in cached mode", so any users who were not using cached mode may have a delayed startup as the OST file is created and the messages from the inbox are downloaded.

You shouldn't have an issue with the services, except a slight impact in terms of outlook changing from online to cache for a few select users. As for the safe senders list, what are you looking to do exactly? Enable it? Then you should see no influx of issue unless you explicitly block someone on accident that is an external user (you cannot block internal traffic)

Jerry Seinfield

ASKER

Thanks.

You mentioned that setting up the ADMX template is a pain, do you know of any other way to perform the GPO and enable cached mode for all users?

Regarding the safe sender list, we already have in place a GPO that adds a list of safe sender lists to all users in Cached mode, my concern is, if I apply a new GPO as per link above for all outlook profiles{2013&2010}, what is going to happen with the information containing on new and old profiles? what will happen with the safe sender lists added as per other GPO?

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Adam Farage

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