compare-object question

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    by Roelstra at 2012-10-29 12:27:07

    Hello,

    My question is about the compare-object cmdlet but is occurring in the Exchange Online environment. If I posted this to the wrong forum I apologize.

    I'm trying to migrate our All User's group from being statically synced to Exchange Online from our on-premise AD to being a dynamic group hosted in the Exchange Online environment. I've done this for a number of our smaller Distribution Groups and it's worked w/o issue however this group is not cooperating. My process is below

    1> Create a dynamic group in Exchange Online that uses the following logic
    {(RecipientType -eq 'UserMailbox") -and (RecipientTypeDetails -eq 'Usermailbox') -and (CustomAttribute1 -ne 'Terminated')}

    2> I use the following function to generate a list of the members of the dynamic group

    function get-dynamicdistributiongroupmember ($dgname)
    {
    $DDG = Get-DynamicDistributionGroup $dgname
    Get-Recipient -RecipientPreviewFilter $DDG.RecipientFilter
    }

    3> Compare the membership of the groups using the following command

    compare-object $(get-distributiongroupmember "DL_All Associates") ($get-dynamicdistributiongroupmember "DDGTEST") -includeequal

    The results tell me that there are a number of users in the dynamic group that are not in the static group however, if I visually compare the membership of the static list to the membership of the dynamic list these users appear in BOTH groups. For example, user Bob appears as

    Bob =>

    When he should be appearing as

    Bob ==

    If I output the memberships to two files, selecting just the Display Name property, then run a compare-object against the contents of the files I get results as expected. Bob ==

    Any thoughts on why the compare-object cmdlet might be returning what appears to be incorrect results?

    Thanks!

    by DonJ at 2012-10-30 07:50:20

    Compare-Object looks at every property of an object; it's possible you've got some changeable piece of information like a date or something. Add -property name or something like that to have it just consider a specific property or properties in the comparison.

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