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Exchange 2010 schema information

Posted on 2011-03-17
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Last Modified: 2012-06-27
Hi Experts.

Using Powershell or c# I want to be able to get type information for Exchange attributes.
For example I would like to get a list of properties that are available on a mailbox and the type of that property before I actually get information for a particular mailbox.

Can anyone tell me how to do that?

Thanks.
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Question by:Hagley
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soostibi earned 500 total points
ID: 35155463
This is not an easy question. Unfortunately there is no such object in AD as Mailbox. Normal user accounts have Exchange attributes, that relate to mailbox information. Some of these attributes are already in the schema, some come when we extend the schema for Exchange.
Some mailbox related attributes have a name starting with 'msExch-', some don't. So, to filter only Exchange related attributes is not an easy thing.

Here is a code that selects all the attributes starting with "msExch" only. To run this, you have to have ActiveDirectory module imported.
$syntaxhash = @{
'2.5.5.8-1' =	'Boolean'
'2.5.5.9-2' =	'Integer'
'2.5.5.10-4' =	'String(Octet)'
'2.5.5.17-4' =	'String(Sid)'
'2.5.5.2-6' =	'String(Object-Identifier)'
'2.5.5.9-10' =	'Enumeration'
'2.5.5.6-18' =	'String(Numeric)'
'2.5.5.5-19' =	'String(Printable)'
'2.5.5.4-20' =	'CaseIgnoreString(Teletex)'
'2.5.5.5-22' =	'String(IA5)'
'2.5.5.11-23' =	'String(UTC-Time)'
'2.5.5.11-24' =	'String(Generalized-Time)'
'2.5.5.3-27' =	'Case-Sensitive String'
'2.5.5.12-64' =	'String(Unicode)'
'2.5.5.16-65' =	'LargeInteger'
'2.5.5.15-66' =	'String(NT-Sec-Desc)'
'2.5.5.1-127' =	'Object(DN-DN)'
'2.5.5.7-127' =	'Object(DN-Binary)'
'2.5.5.13-127' =	'Object(Presentation-Address)'
'2.5.5.14-127' =	'Object(DN-String)'
'2.5.5.0-' =	'Undefined'
}

filter get-systemAuxiliaryClass 
{
    $ado = Get-ADObject -Properties maycontain, systemmaycontain, systemAuxiliaryClass -Filter {objectClass -eq 'ClassSchema' -and lDAPDisplayName -eq $_} `
        -SearchBase ((Get-ADForest).partitionscontainer -replace "partitions","schema")
    if($ado.systemAuxiliaryClass){
        $ado.systemAuxiliaryClass | get-systemAuxiliaryClass
    }
    $ado 
}

"user" | get-systemAuxiliaryClass | %{
    $_.maycontain, $_.systemmaycontain 
} | %{$_} | ?{$_ -like "msExch*"} | %{
    Get-ADObject -Properties * -Filter {objectClass -eq 'attributeSchema' -and lDAPDisplayName -eq $_} -SearchBase ((Get-ADForest).partitionscontainer -replace "partitions","schema")
} | ft name, @{n="syntax";e={$syntaxhash.($_.attributesyntax +"-"+$_.oMSyntax)}}, ismemberofpartialattributeset, issinglevalued -AutoSize

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by:soostibi
ID: 35155472
Of course, this is a PowerShell code.
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Expert Comment

by:Chris Dent
ID: 35687983
This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.
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