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Eprs_Admin
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EXCH and MAPI over HTTP

Hi Experts,

I have EXCH2013 running with 3 nodes in a DAG.
For some users I have changed over to MAPI over HTTP.
But when I check the connection status, I have still some connections with RPC/HTTP
Is it normal or not ?
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Eprs_Admin

8/22/2022 - Mon
Dinesh Babu

Hello,

when running Get-CASMailbox cmdlet for the mailbox which were enabled for MAPI/Http should show MapiHttpEnabled as "True".
If you configured some additional mailboxes that weren't enabled for MAPI, then those connections still be in rpc/http, may be thats the reason still you are seeing RPC/HTTP.
Which version of Outlook you are using ? you should use Outlook 2013 +

Thanks,
Dinesh
Eprs_Admin

ASKER
My outlook version is 2010.
The RPC/HTTP connections are from the public Folder DB.
The user is enabled for MAPIoverHTTP
Dinesh Babu

If still connection status shows "RPC/HTTP", then please change the below registry keys.
Locate HKEYCURRENTUSERSoftwareMicrosoftExchange,  create a new DWORD “MapiHttpDisabled” with value 0.
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William Peck
Dinesh Babu

My outlook version is 2010.
The RPC/HTTP connections are from the public Folder DB.
The user is enabled for MAPIoverHTTP

oh ok, if your public folders are in legacy versions of Exchange, then you cant access it through latest clients like outlook 2013+.
Before you should move PF to Exchange 2013 environment.
Eprs_Admin

ASKER
not all is RPC/HTTP
I have 4 connections with HTTP and the rest is RPC/HTTP
I just want to know wether its ok or not ?
Dinesh Babu

Microsoft recommendations is to use latest version of Outlook (Outlook 2013 SP1 +) for MAPI/Http

Thanks,
Dinesh
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Eprs_Admin

ASKER
my public folder are not in legacy mode.
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Dinesh Babu

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Eprs_Admin

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Thanks a lot.