How To Fix E0850 - IDoc transfer: Logon to R/2 System failed (no confirmation)

E0850 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 850

• Message text: IDoc transfer: Logon to R/2 System failed (no confirmation)

What causes this issue?

The SAP system could not log on to the R/2 System. The confirmation from
the R/2 System was not received.

System Response

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

How to fix this error?

Test the CPI-C connection to the R/2 System.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0850 - IDoc transfer: Logon to R/2 System failed (no confirmation) ?

  The SAP error message E0850 indicates that there was a failure in logging into the R/2 system during an IDoc transfer. This can occur for several reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes:
  
  Incorrect Credentials: The username or password used for the R/2 system may be incorrect.
  Network Issues: There may be network connectivity problems between the SAP system and the R/2 system.
  R/2 System Down: The R/2 system may be down or not reachable at the time of the IDoc transfer.
  
  Configuration Issues: The RFC (Remote Function Call) destination may not be configured correctly in the SAP system.
  Authorization Issues: The user may not have the necessary authorizations to log into the R/2 system.
  IDoc Settings: There may be issues with the IDoc settings or the way the IDoc is being processed.
  
  Solutions:
  
  Verify Credentials: Check the username and password for the R/2 system. Ensure they are correct and that the