Home > ActiveSync, AD, Exchange, PowerShell > HOWTO: Exchange 2010 ActiveSync reporting and policy filtering

HOWTO: Exchange 2010 ActiveSync reporting and policy filtering

Recently we came across an issue with our Exchange 2010 environment related to ActiveSync and Apple iOS devices prior to firmware v6.1.2.  As such we needed a way to not only get a report of users with device relationships by version/device, but also a means to setup a block for those devices if needed.  It turns out that Exchange has a built in process for this by way of the ActiveSync Policies and their state can be either “Granted”, “Denied” or “Quarantined”.  In the case of a Quarantine, the user will get a message on their phone and will no longer be able to access the system.  However, upon remedying their issue, they will automatically be “Granted” by nature of the new OS/firmware now no longer matching the Quarantine policy search.  This works exceptionally well for us, and I will document the steps I’ve used over the last few days to make this all work.

1) Obtain a report of iOS users of all device types and version:

Get-ActiveSyncDevice | where {$_.DeviceOS -like “*iOS*”} | select UserDisplayName,DeviceType,DeviceOS,WhenChanged | export-csv e:\IOS_USERS.CSV

This should be relatively self-explanatory.  We’re getting ActiveSyncDevices where the DeviceOS column/field is anything containing *iOS*, and then outputting only the UserDisplayName,DeviceType,DeviceOS,WhenChanged fields, and then exporting it to a CSV file.  This CSV file can then be sorted and filtered as desired.

2) As we only had iOS v6.x devices, we needed to put in place Quarantine policies.  We could not, however, simply do “*iOS 6*” or “iOS 6.1*” as this would also match the approved v6.1.2 version.  Also, while it MAY be possible to Quarantine “*iOS*” and then Grant “*iOS 6.1.2*”, this would result in v6.1.2 being the ONLY approved version and when v6.1.3, or v6.2 or v7.0 comes out, new polices would need to be put in place.   By creating only policies that match to Quarantine exiting v6.0, v6.1.0, v6.1.1 devices, we miss that issue:

New-ActiveSyncDeviceAccessRule -QueryString “iOS 6.0” -Characteristic DeviceOS -AccessLevel Quarantine

New-ActiveSyncDeviceAccessRule -QueryString “iOS 6.1 10B141” -Characteristic DeviceOS -AccessLevel Quarantine

New-ActiveSyncDeviceAccessRule -QueryString “iOS 6.1.1 10B145” -Characteristic DeviceOS -AccessLevel Quarantine

As you can see, it took 3 policies to get us the desired results

3) To determine which devices are quarantined:

Get-ActiveSyncDevice | where-object {$_.DeviceAccessState -eq “Quarantined”} | select UserDisplayName,DeviceUserAgent,DeviceOS,DeviceAccessState | format-table -autosize

UserDisplayName                                     DeviceUserAgent                DeviceOS         DeviceAccessState

—————                                     —————                ——–         —————–

<domain>/Calgary/users/xxxxx     Apple-iPad2C2/1002.141         iOS 6.1 10B141         Quarantined

<domain>/edmonton/users/xxxxx         Apple-iPad3C3/1001.537600005   iOS 6.0 10A5376e       Quarantined

<domain>/edmonton/users/xxxxx        Apple-iPhone4C1/1001.537600005 iOS 6.0 10A5376e       Quarantined

 

This will show the UserDisplayName, their DeviceUserAgent (useful for determining the type of device) and what DeviceOS they were running.   It is worth noting that following the update from a user, and the removal from Quarantine, a re-run of the above command will not show the user as removed, they simply no longer are Quarantined, and do not show up in the list.  I confirmed this with my own device, as I upgraded from iOS 6.0.2 to iOS 6.1.2.

4) There also exists the ability to set the ActiveSyncOrganizationSettings to allow for an “administrator e-mail” account(s).  This lets us put in e-mail address(es) that can get an instant notification of when a device gets quarantined or blocked.  This way, we know as soon as the user knows.  While it is unlikely we would do so, we could even proactively contact the user after seeing the alert, to ask if they need assistance.

[PS] C:\Windows\system32>Set-ActiveSyncOrganizationSettings -AdminMailRecipients helpdesk@netwise.ca, avram@netwise.ca

[PS] C:\Windows\system32>Get-ActiveSyncOrganizationSettings

RunspaceId                : 6b2980bc-0bd2-403b-a7d8-f8db66f969e8

DefaultAccessLevel        : Allow

UserMailInsert            :

AdminMailRecipients       : {helpdesk@netwise.ca, avram@netwise.ca}

OtaNotificationMailInsert :

Name                      : Mobile Mailbox Settings

OtherWellKnownObjects     : {}

AdminDisplayName          :

ExchangeVersion           : 0.10 (14.0.100.0)

DistinguishedName         : CN=Mobile Mailbox Settings,CN=xxxxx,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=<DOMAIN>,DC=<DOMAIN>

Identity                  : Mobile Mailbox Settings

Guid                      : 5bbce140-80e4-494f-a7f1-900c0xxxxxx

ObjectCategory            : <domain>/Configuration/Schema/ms-Exch-Mobile-Mailbox-Settings

ObjectClass               : {top, msExchMobileMailboxSettings}

WhenChanged               : 3/13/2013 9:06:38 PM

WhenCreated               : 7/19/2011 4:19:40 PM

WhenChangedUTC            : 3/14/2013 3:06:38 AM

WhenCreatedUTC            : 7/19/2011 10:19:40 PM

OrganizationId            :

OriginatingServer         : <DC>.<DOMAIN_NAME>

IsValid                   : True

5) Finally, in the report from Step 1, it should be noted that users/mailboxes/devices that have not been properly/fully removed will still show up.  For example, even if Bob Smith’s account is disabled, that mailbox and devices will show up.  Equally, I noted that my iPhone 4 was still showing as I never did anything to remove the device.  But more confusing is that my iPhone 5 (of which I only have one of) showed up twice – once for iOS 6.0.2 and once for iOS 6.1.2.

I did attempt to purge my iOS 6.1.2 device to test what would happen, and upon my phone’s next sync, it emptied my mail folders, then refreshed, redownloaded all my mail, and current calendar appointments.  When I checked to ensure that my sync folders were still accurate, all of my settings were intact.  No interaction on my part was needed to reconnect, I was not prompted for credentials or settings, etc.  As such, it seems that any device that is considered old, out of date or suspect, is fair game to delete and if it is in fact still active, it will simply recreate the relationship.

The last largely outstanding task is to find a way to *customize* the Quarantine message.  Each policy/filter should be able to have its own, and according to documentation, should be reachable via the ECP (eg: /ECP”>https://mail.<domain.name>/ECP) but I was having no luck getting it to do more than show “loading”.  Another day, perhaps…….

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Categories: ActiveSync, AD, Exchange, PowerShell
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