How to get the "Key" for Dimension in SSAS.

Question

Hi
How to get the "Key" for Dimension in SSAS.
(Below value is the PPSParameters table XML column value in PPSDatabase in SharePoint.
Below three key values are belongs to "Dimension". I have tried to find the key but I could net get it.)
<NewDataSet>
<UserValues><Key>16A201A9E75128559F947D58E6D187A9</Key></UserValues>
<UserValues><Key>7FBEA449A6ED5606973306445839619E</Key></UserValues>
<UserValues><Key>A8F75F9720817BCD2E1DFC1C1CF1E678</Key></UserValues>
</NewDataSet>
Thanks & Regards
Poomani Sankaran

Answer 1

To Be Honest there is not one straight Cmdlet that atleast I have come across 
The best way would if you have Lync monitoring server 
Using the Lync Server 2013 Monitoring Server
If you have the Monitoring Server role configured in your environment, and for Lync Server 2013 everyone should!, you can use information contained in the LcsCDR database to pull back the last time a user signed in.  You can run the following query* to
pull back the user's SIP URI and their last login time:
USE LcsCDR
SELECT dbo.Users.UserUri, dbo.UserStatistics.LastLogInTime
FROM dbo.UserStatistics
JOIN dbo.Users ON dbo.Users.UserId = dbo.UserStatistics.UserId
ORDER BY UserUri
Which produces the following output:
The advantage to using the Monitoring Server to obtain this data is that unlike the information contained in the rtcdyn database, the information from the LcsCDR data will persist even when the user isn't signed into Lync.
To get approx count of users enable for Lync Server in your organisation 
Get-CsUser -Filter {Enabled -eq $true} | MeasurE
Please not the above command let will give you an approx number not exact 
From the Monitoring report yet the SIP account that signed in and then from count find out how many user havent signed in this is manual task 
Hope this is helpful 
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