# Best strategy to retrieve two years of model-level data (403 Client Error)

**URL:** <https://forum.ecmwf.int/t/best-strategy-to-retrieve-two-years-of-model-level-data-403-client-error/15370>\
**Category:** C3S - Datasets and Usage\
**Tags:** era5\
**Created:** [30 September 2026 14:24 UTC](https://forum.ecmwf.int/t/best-strategy-to-retrieve-two-years-of-model-level-data-403-client-error/15370 "2026-09-30T14:24:31Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Michela](https://forum.ecmwf.int/letter_avatar_proxy/v4/letter/m/898d66/32.png) [@Michela](https://forum.ecmwf.int/u/Michela)\
**Post date:** [1 October 2026 08:16 UTC](https://forum.ecmwf.int/t/best-strategy-to-retrieve-two-years-of-model-level-data-403-client-error/15370/2 "2026-10-01T08:16:36Z")

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Hi,  
please see this: [403 Client Error while downloading 1 day of Europe constrained ERA5 data - #9 by Michela](https://forum.ecmwf.int/t/403-client-error-while-downloading-1-day-of-europe-constrained-era5-data/15337/9)

Thanks

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