Manage Secondary Calendar Permissions in Powershell

I am trying to assign permissions to a users secondary calendar in exchange 2010 using the powershell command and receiving the response that the calendar doesnt exist.
I can log in and see the secondary calendar via OWA.

Is this not possible to do via powershell?
rymattcartIT DirectorAsked:
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Subash SundharanIT Infrastructure Architect Commented:
Which command you trying and what error you getting?

Are you trying with Add-MailboxFolderPermission?
rymattcartIT DirectorAuthor Commented:
I started by trying to Add or Set and then resorted to just checking the permissions with the failed output below:
Get-MailboxFolderPermission username:\Calendar 2

Output is: the operation couldnt be performed because 'username:\Calendar 2' cannot be found.
Subash SundharanIT Infrastructure Architect Commented:
Try with email address and see if it works...
Get-MailboxFolderPermission "\Calendar 2"
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rymattcartIT DirectorAuthor Commented:
Same result.
Subash SundharanIT Infrastructure Architect Commented:
Does the command work for other folders?
rymattcartIT DirectorAuthor Commented:
yes it works for primary calendars perfectly
Subash SundharanIT Infrastructure Architect Commented:
Then if the folder name is correct, the command should work..
rymattcartIT DirectorAuthor Commented:
I agree - it just doesnt seem to work on secondary calendars
Subash SundharanIT Infrastructure Architect Commented:
It works for me on my Exch2010 SP3? Which version Exchange you have?
rymattcartIT DirectorAuthor Commented:
exchange 2010 v14.02.0247.005
Subash SundharanIT Infrastructure Architect Commented:
You have Ex2010 SP2, So I guess it should work.. You need to make sure the path and name is exactly same..

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rymattcartIT DirectorAuthor Commented:
ok thank you.  I believe you have answered my question as to if this is possible with subfolders
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