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Title: New KB Troubleshooting Error M1351 – Device Setup Failed



When attempting to change the printer make and model for an existing label the user receives two error messages 
M1351 and M1266


Creation Date: 12/28/2012



Author: Linda Wayrynen

Affected Versions: ALL


Revision Date:10/31/2014

Affected Environment: Design32 and LLM Device Grid


Revised By:CW

Customer Facing: YES


KB Article #:

Reported Issue:
When attempting to access the device configuration grid either using the hot key F6 or from Design32, File Devices  the system returns

M1351 error – Device Setup Failed which was followed by

M1266 error – Devices are being managed by another user.


  • Verify  the user is logged in with the account assigned to the   Loftware Print Server service.
  • If they are not using that account but another account, have them log off with the account they are using and login with the Loftware Service account.
  • Does the system generate an error message when performing the same process but using the service account
  • Verify the account the user is currently using to log into the system.
  • Is that account in the Loftware Group
  • If the account is not in the Loftware Group- then add the account
  • Attempt to access the Device configuration grid if the problem is not resolved  log off and re-boot the system
  • Log in to the system with the account that was just added to the Loftware Group this now should be the Loftware Service Account
  • Use this account to manage any changes to the Loftware configurations.
  • Can the user now change the printer make and model without generating an error

Although the user was logged in with an administrative account, the user was not listed in the Loftware Group
Once the account was added the user could change the printer make and model without generating errors

Keywords: M1351 M1266 Device setup


Additional Resources: Incident 96751   Unable to render JIRA issues macro, execution error.

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