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Upgrade Address Lists Exchange 2003-2010

tolinrome asked
Last Modified: 2012-05-12
According to this migration article "rapid-transition-guide-from-exchange-2003-to-exchange-2010" - after I move the OAB generation server from 2003 - 2010 I then need to upgrade address lists. It mentions that 2010 does not support LDAP filters.
Does this mean that if I dont have LDAP filters this step is not necessary?
How do I know if I am using custom LDAP filters on 2003?

I'm a bit confused as to what exactly, if anything, that I need to do.
According to this other article: http://blogs.technet.com/b/ilvancri/archive/2010/06/15/don-t-forget-to-update-your-ldap-filters-to-opath-filters-when-transitioning-from-exchange-2003-to-exchange-2010.aspx
it says that if I have to covert the address lists from LDAP to OPATH then I need to do this:
Converting the default Address Lists is not that complicated, for example converting the default address lists, you just need to run the following lines:

Set-AddressList “All Users” –IncludedRecipients MailboxUsers

Set-AddressList "All Groups" -IncludedRecipients MailGroups

Set-AddressList "All Contacts" -IncludedRecipients MailContacts

Set-AddressList "Public Folders" -RecipientFilter { RecipientType -eq 'PublicFolder' }

The Default Global Address List is a bit more complicated…

Set-GlobalAddressList "Default Global Address List" -RecipientFilter {(Alias -ne $null -and (ObjectClass -eq 'user' -or ObjectClass -eq 'contact' -or ObjectClass -eq 'msExchSystemMailbox' -or ObjectClass -eq 'msExchDynamicDistributionList' -or ObjectClass -eq 'group' -or ObjectClass -eq 'publicFolder'))}


Then it says if I need to convert custom LDAP address lists then I have to run a script that I can download.

How do I know (if anything) what I have to do?

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