Once you have uploaded your CTF file successfully the ULN Service processes your CTF file and sends it on to MIAP for overnight processing. You will need to wait until the next day before you log on again to get your ‘response’ CTF file containing ULNs.
Log into S2S https://sa.education.gov.uk/
Select ‘Result’ link from the left-hand navigation menu
This will take you to the ‘Summary status’ screen. Each original CTF file you have submitted in the past 14 days will be shown here.
Click the grey ‘Click to expand +’ button to find out the status of your submitted CTF file.
Click on the ‘Download file (x records)’ button (it can be that there are more file to download than you uploaded as the ULN service split the files nto separate batches (‘parts’) for 200 pupils each, and send these ‘parts’ on to MIAP.
Click on the ‘Save’ button. Do not click on the ‘Open’ button.
Save the response CTF file in an appropriate location.
Go to SIMS.net > Routines >Data in > Import CTF & select Add ULNS for Existing Pupils Only.