My question is for Exchange 2010 SP3 - but am also wondering if this occurs in a 2013 environment as well.
I've enabled a user for UM with a mailbox policy and extension number, now I want to add a secondary address to the mailbox using the Exchange Management Shell (this is to script user creation - I don't want to use the GUI) - and I want this new address to become the primary EUM (Set As Reply). When I add the new address, I use the following:
Set-Mailbox -identity alias -EmailAddresses @{add="EUM:firstname.lastname@domain.com;phone-context=diaplan.domain.com"}
This command works and I get the new address added as a primary BUT the original address is still listed as the primary as well.. so now I have 2 EUM (capitalized) addresses and it's causing issues. If you add through the GUI - you would have to pick one as the "Reply Address".
From technet documentation, it states that the EUM address first in the list of EmailAddresses would be the primary, but this is not the case either.. as they both are listed as EUM:
Any help or a better method would be appreciated. If you have a 2013 environment to test on, I'd like to know if maybe it's fixed in 2013 - then I'll feel better about moving forward without a fix if needed. Thanks all.