What are the custom attributes I see in echange

When I look at a user account in exchange 2007, I see 15 attributes. We are using some of them. How can I tell what they are being used for. I'm looking in the AD schema under attributes, but do know where to find the ones of the 15 that are set.

thanks
rdefinoAsked:
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Will SzymkowskiSenior Solution ArchitectCommented:
Can you post a screenshot of the attributes you are talking about?

When you use the Get-ADUser cmdelt depending on what applicaitons you have running in your AD domain will determine that attributes you will see when you run Get-ADUser -identity Administrator -Properties * | fl.

If you have Exchange in your environment you will see Exchange specific attributes. If you have Lync (Skype) in your domain you will also see Lync attributes as well.

Depending on what attributes you are talking about they might only be modifable through the applicaiton itself and not using the Set-ADUser cmdlet.

Will.
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rdefinoAuthor Commented:
I ran Get-ADUser -identity Administrator -Properties * | fl. for a user, I see the attributes but no sure where these are defined.

Attach screen shot of exchange attributes windows for the user.
2015-06-22-14-32-42.png
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Will SzymkowskiSenior Solution ArchitectCommented:
Those are CustomAttributes which are defined in Exchange. You would use the Exchange Management Shell to set these parameters.

Set-Mailbox -Identity administrator -CustomAttribute1 "info-here" -CustomAttribute2 "more-info"

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You cannot modify these parameters using the Set-ADUser cmdlet.

Will.
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rdefinoAuthor Commented:
Is there a way to find out what they are being used for? Like what gets triggered once they are set?
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Will SzymkowskiSenior Solution ArchitectCommented:
CustomeAttributes are usually defined when you are creating Dynamic Distribution Groups or Email Address Policies in your domain. simply based on the info in the fields you will not be able to determine what they are used for.

However checking the Email Address Policies or Address List parameters will show you exactly what they are being used for.

Will.
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rdefinoAuthor Commented:
I found the email address policies but I do not see definitions to the attributes we have set.

Where can I find settings for Address List parameters .
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Will SzymkowskiSenior Solution ArchitectCommented:
You will need to go through each of the address list manually and see what fields that are required to be part of this address list.

This is why it is always important to have meaningful entries in there because it the address gets deleted or email address policy gets deleted or changed these attributes will not change.

So respectively, if you cannot find anything that are tied to them they might not even be used anymore.

Will.
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Henrik JohanssonSystems engineerCommented:
CustomAttributeX in Exchange are stored as ExtensionAttributeX in AD and can be used for whatever you want.
We earlier used them for populating external mx servers (sendmail) with address mapping for addresses not used in internal Exchange.
To query which have value, run a LDAP query with dsquery or powershell

dsquery syntax
dsquery * -Filter "|(ExtensionAttribute1=*)(ExtensionAttribute2=*)(ExtensionAttribute3=*)(ExtensionAttribute5=*)(ExtensionAttribute1=*)(ExtensionAttribute6=*)(ExtensionAttribute7=*)(ExtensionAttribute8=*)(ExtensionAttribute9=*)(ExtensionAttribute10=*)(ExtensionAttribute11=*)(ExtensionAttribute12=*)(ExtensionAttribute13=*)(ExtensionAttribute14=*)(ExtensionAttribute15=*)"

Open in new window

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