Updating value for multiple users

Posted on 2014-03-10
Last Modified: 2014-03-11

There is an attribute called " gidNumber" on our AD accounts that is used for Unix access.
I need to update the value for multiple accounts but testing on just one account it does not
find the attribute .

If I do:
Set-ADUser "Test123" -gidNumber "10"

I receive the error below .

Set-ADUser : A parameter cannot be found that matches parameter name 'gidNumber'.
At line:1 char:23
+ Set-ADUser "Test123" -gidNumber "10"
+                       ~~~~~~~~~~
    + CategoryInfo          : InvalidArgument: (:) [Set-ADUser], ParameterBindingException
    + FullyQualifiedErrorId : NamedParameterNotFound,Microsoft.ActiveDirectory.Management.Commands.SetADUser

When I run the command below it does show me the current gidNumber value .
Get-ADUser "Test123" -Properties * | select gid*
Question by:MilesLogan
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LVL 39

Expert Comment

ID: 39918501
Just because there is an attribute called "gidNumber" doesn't mean there is a parameter for Set-Aduser with the same name.  When Set-ADUser doesn't include a specific parameter to adjust an attribute, you can use the -add, -replace, -remove, and -clear parameters to modify those attributes based on their LDAP display names.
So you could use
Set-ADUser "Test123" -replace @{gidNumber="10"}

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Author Comment

ID: 39918530
Thanks footech for the explanation ..  I ran below and it worked .

gc users.txt | Set-ADUser -Replace @{gidNumber="1000"}

can you help me output a file of the accounts that where modified ? or I can ask it in another question if needed .
LVL 39

Expert Comment

ID: 39918574
I'm not sure I understand your requirements.
Your users.txt file should already contain a list of the users that are modified.
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Author Comment

ID: 39918606
actually .. I just saw something ..

Not all accounts in users.txt will need to have the gidNumber changed to 1000 ..only the accounts that have a number in that field already... if there is no value , then nothing needs to be done .

Can you help me with a script for that ?
LVL 39

Accepted Solution

footech earned 500 total points
ID: 39919082
Try the following.
gc users.txt | % { Get-ADUser $_ -properties gidNumber } | ? {$_.gidNumber} | Set-ADUser -Replace @{gidNumber="1000"} -PassThru | % { Write-Output "$($_.samaccountname) was updated" } | Out-File updatedusers.txt

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Author Closing Comment

ID: 39922092
Hi footech:  this worked ! thanks !
LVL 39

Expert Comment

ID: 39922156
You're welcome.

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