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• Check the system status - there might be a problem at the ECMWF end.

• Check your ftp is not full - one of the most common reasons that dissemination fails is because there is insufficient space for the data on the recipient's disk.
• Check whether there have been any changes to the settings/passwords/permissions which control access to your disk.
• If you have access to the ECMWF Production Data Store (ECPDS) (the system used for transmitting real-time forecast data to users) you can: 
  • check the status of your real-time forecast data dissemination
  • activate a back-

• • up host
  • switch to an alternative host
    
  • request a new host (if you don't have the access permissions to change it yourself - do this by raising a ticket through the Support Portal). 

For more information on how to do these steps, please see the see documentation for ECPDS (ECMWF Production Data Store)

• If these methods don't lead to a solution of the issue, then please raise a ticket via our Support Portal.