[Symptom]
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Generally, a user can use “New-MailboxFolder” command to create mailbox folder for his own mailbox successfully. See the following example:
The above command creates a new folder named “PersonalFAQ” in the mailbox of Administrator.
However, this command cannot be used to create folders on other user’s mailbox although the full access permission is assigned. See the follow example. (We already granted the full access permission of test1 user to administrator user)
Just as what the picture shows, an error message will appear:
“The specified mailbox “username” doesn’t exist.”
[Cause Analysis]
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It’s by default. The “New-MailboxFolder” command cannot be used to create folders for other mailboxes.
[Workarounds]
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1. Use EWS channel to create the folders for other mailboxes.
http://msdn.microsoft.com/en-us/library/office/dn535504(v=exchg.150).aspx#bk_createfolderewsma
2. Use MFCMAPI:
3. PFDAVADMIN (Exchange 2003/2007) or Exfolders (Exchange 2010)