How To Fix EG550 - Device &1 is allocated to several device cats and therefore not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: EG - IS-U device management

• Message number: 550

• Message text: Device &1 is allocated to several device cats and therefore not unique

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message EG550 - Device &1 is allocated to several device cats and therefore not unique ?

  The SAP error message EG550 indicates that a device (such as a printer or other output device) is allocated to multiple device categories, which makes it ambiguous for the system to determine which category to use. This can lead to issues in output processing, as the system requires a unique assignment of devices to categories.
  Cause:
  The error typically arises from one of the following scenarios:
  
  Multiple Assignments: The device in question has been assigned to more than one device category in the SAP system.
  Configuration Issues: There may be a misconfiguration in the device settings or in the device category definitions.
  Data Inconsistency: There could be inconsistencies in the master data related to the device or its categories.
  
  Solution:
  To resolve the EG550 error, you can follow these steps:
  
  
  Check Device Configuration:
  
  Go to transaction code SPAD (Spool Administration).
  Navigate to the Output Devices section and find the device that is causing the error.
  Review the device's configuration and check the assigned device categories.
  
  
  
  Remove Duplicate Assignments:
  
  If the device is assigned to multiple categories, decide which category is appropriate for the device.
  Remove the unnecessary or incorrect assignments to ensure that the device is only linked to one category.
  
  
  
  Review Device Categories:
  
  Check the configuration of the device categories in the system.
  Ensure that the categories are correctly defined and that there are no overlaps or conflicts.
  
  
  
  Test the Configuration:
  
  After making changes, test the output processing to ensure that the error no longer occurs.
  You can do this by trying to print or output a document using the modified device.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct configuration, refer to SAP documentation or consult with your SAP Basis or technical team for guidance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SPAD: Spool Administration for managing output devices.
  SP01: Spool request overview, where you can check the status of spool requests.
  
  
  
  Device Categories: These are classifications that determine how a device behaves and what types of output it can handle. Common categories include printers, fax machines, and email outputs.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to output device configuration and management.
  
  
  By following these steps, you should be able to resolve the EG550 error and ensure that your output devices are correctly configured in the SAP system.