I'm trying to create a new custom address book in Exchange 2007. I'm a bit confused on setting the conditions (filters) up. It appears that I have a choice between State and/or Providence, and/or Department, and/or Company. Also, there are some custom attributes to set up filters too, but I'm not sure how to use them. However, I only want to query on the "description" field in active directory. Can I do that and how? Would I configure the custom attribute? In fact, I want to query the description field for the result OEM in active directory. If it requires powershell, could you give me the syntex to complete this? Many thanks. RD

Hi, For this issue, please set one of the custom attributes for the recipients who has description with OEM. Get-Mailbox | Where{$_.windowsemailaddress -match "domainA.com"} | Set-Mailbox -CustomAttribute8 "OEM" And create address list based on conditional custom attribute: New-AddressList -Name "DomainA AddressList" -IncludedRecipients AllRecipients -ConditionalCustomAttribute8 "OEM" Thanks AllenAllen Song