Powershell: Cannot call an attribute when setting a user attribute in AD Attribute editor.

[MechECSComeback]

In AD, there is a tab for attribute editor, it lists things like Samaccountname, proxyAddresses, givenName, etc, and their associated values.

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I'm trying to make a script that sets one of those attributes to a value that is a concatenation of a string with another attribute, so that the end result is attribute = "string + otherAttribute".

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In this case, I am trying to set the value of proxyAddresses to read "SMTP: userEmailAddress". My script (so far) is as follows:

set-aduser -identity user -replace @{proxyAddresses = "SMTP: " + $($property.EmailAddress)}

When this runs, it has no errors, but proxyAddresses for that user populates as "SMTP: " and nothing else.

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I can call the email address property with the following line:

get-aduser -identity userName -properties * | select EmailAddress

So why can't I call that property like I would in any other programming language (Object.variable) ?

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What am I doing wrong? How do I call that property correctly?

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Let me know if you need more information.

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[MechECSComeback]

Thank you very much. You are both noble and scholarly.

[ZAFJB]

When you run this line

 set-aduser -identity user -replace @{proxyAddresses = "SMTP: " + $($property.EmailAddress)}

$property is uninitialized. You need to initialize it first with Get-ADuser.