How To Fix EH500 - Action not possible. Device/installation disconnected more than once

SAP Error Message - Details

• Message type: E = Error

• Message class: EH - Messasge class for disconnection and reconnection

• Message number: 500

• Message text: Action not possible. Device/installation disconnected more than once

What causes this issue?

You have tried to:
Install a device
Remove a device
Allocate a device to an installation
or
Cancel such an allocation
Reverse one of the aforementioned actions
This is not possible, because the device / installation is affected by
more than one installation disconnection on the day of the action.

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?

There cannot be more than one installation disconnection. Cancel all but
one installation disconnections and repeat the device action.
The disconnection documents have the numbers &SYST-MSGV1& and
&SYST-MSGV2&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EH500 - Action not possible. Device/installation disconnected more than once ?

  The SAP error message EH500, which states "Action not possible. Device/installation disconnected more than once," typically occurs in the context of SAP's Plant Maintenance (PM) or Customer Service (CS) modules. This error indicates that the system has detected that a device or installation has been disconnected multiple times, which may prevent further actions from being performed on that device or installation.
  Causes:
  
  Multiple Disconnections: The device or installation has been disconnected more than once in a short period, which may be due to operational issues or incorrect handling.
  System Configuration: There may be configuration settings in SAP that limit the number of allowed disconnections for a device or installation.
  Data Integrity Issues: There could be inconsistencies in the data related to the device or installation, leading to the system flagging it as problematic.
  User Permissions: The user may not have the necessary permissions to perform actions on the device or installation after multiple disconnections.
  
  Solutions:
  
  Check Device Status: Verify the current status of the device or installation in the system. Ensure that it is in a state that allows for the desired action.
  Review Disconnection History: Look into the history of disconnections for the device or installation to understand why it has been disconnected multiple times.
  Configuration Review: Consult with your SAP administrator to review the configuration settings related to disconnections. Adjustments may be needed to allow for more flexibility.
  Data Consistency Check: Run data consistency checks to ensure that there are no underlying issues with the device or installation data.
  User Permissions: Ensure that the user attempting the action has the appropriate permissions to perform actions on the device or installation.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it appears to be a system bug or requires deeper investigation.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IW31 (Create PM Order), IW32 (Change PM Order), or IW33 (Display PM Order) to manage work orders related to the device.
  Documentation: Review SAP documentation or help files related to Plant Maintenance or Customer Service for additional context on handling devices and installations.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions from other users' experiences.
  
  By following these steps, you should be able to diagnose and resolve the EH500 error in SAP effectively.