Windows Group Policy Preferences Create vs Update vs. Replace

We deploy all printer using GPP's. I understand the basic difference between Create, update and replace now my questions is as follows.

You create a new printer and set the GPP to Replace or Create at what point should you change this to update to reduce the processing overhead. Should you just use update right off the bat?
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compdigit44Asked:
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Joshua GrantomSenior Systems AdministratorCommented:
I always used Update from the beginning, it will create it if it does not exist and update any settings that are not correct according to GPP
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Joseph DalyCommented:
I would also agree with the update selection its the best of both worlds regardless of if the client has already applied the policy or not.
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compdigit44Author Commented:
Thanks but when or why would use Create or Replace then...

How much process overhead difference is there between Create / Replace vs update
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Joshua GrantomSenior Systems AdministratorCommented:
Create will add the printer but if one exists with that name it will not do anything at all

Update will create if it does not exist or update if it is already there. if there are other settings for this printer besides what are in the GPP it will leave it alone, for instance, if they have it set as their default but you do not have it set as default.

Replace will either create or replace all of the settings no matter what is there. if there are other settings they will be removed.

What exactly do you mean by process overhead? process memory? time? managing?
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compdigit44Author Commented:
What I mean by overhead is the time is takes to process the process... 50 printers set to Replace would process slower than if they were set to Update.
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Joshua GrantomSenior Systems AdministratorCommented:
This happens on the client side so processing is irrelevant. Changing the group policy to update is not going to apply the changes immediately. It will update one at a time as the clients refresh on their interval, it is random.
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compdigit44Author Commented:
But from what everyone is stays Update sounds like a less process intrusive task.. unless I am not understanding things.
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Windows Server 2008

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