Outlook User calendar auto accepts even though it is turned off

I've been going through my internet searches and EE searches, trying the suggestions, but so far none of them have worked.

Running Exchange 2013 SP1, Outlook 2013.  

Tried this so far.
1. Checked auto accept options in Outlook (File --> Options --> Calendar --> Auto accept)
2. Started Outlook in safe mode, with new profile, etc.

It appears to be a server side issue.  A note, all of the meetings come through as "on behalf of" even though there are not any delegates setup for this user.  Is this normal behavior for auto accepts?

Sure seems like something is stuck "on" on the exchange server.  Any thoughts?
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FOXActive Directory/Exchange EngineerCommented:
Let's first check the user's mailbox who is sending the email out
Open Exchange management shell
Get-MailboxFolderPermission  emailaddressofusersending:\calendar
Member_2_5956489Author Commented:
Do you mean the person setting up the email?  Okay, it is myself for the tests, My permissions do not have any for user I'm inviting.
If you are speaking of the user who is auto accepting, they are different.  The only permission is Default and it is set to "Reviewer"
Member_2_5956489Author Commented:
Fixed the issue.  Needed to run outlook.exe /cleanserverrules

Now it is not auto processing the calendar invites.

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FOXActive Directory/Exchange EngineerCommented:
Member_2_5956489Author Commented:
Found the issue after browsing though all the outlook command line switches.
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