SAP Connector on Exchange 2016

Good Day All

I have a client who recently migrated from Exchange 2010 to 2016. After decommissioning their old 2010 Exchange server, they are now unable to send mails from SAP as the receive connector is now not on the Exchange 2016 server and needs to be recreated.

I tried recreating it as it was using old screenshots of all the settings. And the SAP has been changed to point now to the 2016 servers IP by the client.

SAP is still unable to send any mails via the Exchange.

Can someone please assist? Is there anything that needs to be restarted from the SAP side after make such a change?
Vince HAsked:
Who is Participating?
Jason CrawfordTransport NinjaCommented:
  1. Create a new Receive Connector named 'SAP_Relay' in the on-prem Exchange server and select 'Custom' for intended use.
  2. In the next screen, click 'Add' then choose 'Specify an IP address'
  3. Keep the port set on 25, delete the default 'All available IPv4 addresses', and click OK
  4. Enter the Exchange server LAN IP and click Next
  5. In the next screen select 'Add', enter the IP of the SAP server, and delete the default followed by New and Finish
  6. Open the Receive Connector you just created, open the Authentication tab, and select Transport Layer Security. This should be the only checkbox for this tab
  7. Open the Permissions tab and select Anonymous users and click OK
  8. Open EMS and run this command:

Get-ReceiveConnector SAP_Relay | Add-ADPermission -User "NT AUTHORITY\ANONYMOUS LOGON" -ExtendedRights "ms-Exch-SMTP-Accept-Any-Recipient"

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Vince HAuthor Commented:
Thx! I believe that powershell command was what was missing!!
Jason CrawfordTransport NinjaCommented:
Glad I could help.  Take care :)
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