How To Fix SDEST009 - Value & for communication method is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: SDEST - Messages for RFC Destinations

• Message number: 009

• Message text: Value & for communication method is invalid

What causes this issue?

The value &v1& is not valid as an activation type for TCP/IP
connections.
Valid values:
<ZH>'A'</> for start on application server
<ZH>'E'</> for start on explicit host
<ZH>'F'</> for start on front-end workstation
<ZH>'R'</> for start by registered server program

System Response

How to fix this error?

Choose a valid value.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.