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Powershell will do it. There is a script for this very purpose in the scripts directory of your Exchange 2010 server: C:\Program Files\Microsoft\Exchange Server\V14\Scripts (by default).<br />
Then: <br />
&gt;.\AddReplicaToPFRecursive<wbr />.ps1 -TopPublicFolder &quot;\&quot; -ServerToAdd &quot;MyEx2010Server&quot;<br />
<br />
I'm assuming you want all public folders and thus the \. &nbsp;Since it's 2003 there is no requirement for the -Server command that you will find on the web (it will tell you that it won't work because the server is running 2003).
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Powershell will do it. There is a script for this very purpose in the scripts directory of your Exchange 2010 server: C:\Program Files\Microsoft\Exchange Server\V14\Scripts (by default).
Then:
>.\AddReplicaToPFRecursive.ps1 -TopPublicFolder "\" -ServerToAdd "MyEx2010Server"

I'm assuming you want all public folders and thus the \.  Since it's 2003 there is no requirement for the -Server command that you will find on the web (it will tell you that it won't work because the server is running 2003).

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ok, to recapitulate: i need to replicate the PF to both servers for the next, say two weeks.<br />
<br />
old server:exch01 &nbsp; &nbsp; &nbsp;2003<br />
new server: exch02 &nbsp; &nbsp;2010<br />
<br />
from exch02 i run: &gt;.\AddReplicaToPFRecursive<wbr />.ps1 -TopPublicFolder &quot;\&quot; -ServerToAdd &quot;exch02&quot;
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ok, to recapitulate: i need to replicate the PF to both servers for the next, say two weeks.

old server:exch01      2003
new server: exch02    2010

from exch02 i run: >.\AddReplicaToPFRecursive.ps1 -TopPublicFolder "\" -ServerToAdd "exch02"

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Yes. &nbsp;That will add a replica to all public folders on the 2003 server to the 2010 server.
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Yes.  That will add a replica to all public folders on the 2003 server to the 2010 server.

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ok.<br />
now i see that the free/busy is not replication properly.<br />
<br />
how can i fix this?
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ok.
now i see that the free/busy is not replication properly.

how can i fix this?

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i have migrated from exchange 2003 to 2010. now both servers are still present. before we can turn the old one off, i have to ensure that the PF Replication on both Exchange Servers works properly.<br />
<br />
how do i do that?
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i have migrated from exchange 2003 to 2010. now both servers are still present. before we can turn the old one off, i have to ensure that the PF Replication on both Exchange Servers works properly.

how do i do that?

PF Replication on two Exchange Servers

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.