Sharepoint 2013 Powershell Issues

I am having issues running a powershell command in sharepoint 2013 to import AD Photos into Sharepoint.

Here is the command......

Update-SPProfilePhotoStore -CreateThumbnailsForImportedPhotos 1 -MySiteHostLocation http://sharepoint/sites/MySite/

and here is the error:

Update-SPProfilePhotoStore : Cannot find an SPSite object with Id or Url:
At line:1 char:1
+ Update-SPProfilePhotoStore -CreateThumbnailsForImportedPhotos 1
-MySiteHostLocat ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidData: (Microsoft.Offic...ofilePhotoStore:
   SPCmdletUserProfilePhotoStore) [Update-SPProfilePhotoStore], SPCmdletPipeB
    + FullyQualifiedErrorId : Microsoft.Office.Server.UserProfiles.PowerShell.
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BSModlinAuthor Commented:
Where can I find these permissions exactly?
Jamie McAllister MVPSharePoint ConsultantCommented:
You're going to go into Central Administration.  Check which Web app hosts the MySites and give the credentials powershell will be run under Full Control

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