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A new version of SD Connect and SD Desktop will be available from Monday, September 28. The major upgrade will introduce significant improvements, but also includes changes that are not compatible with the current version of the service. Click here to review the available support materials.

Warning!

Puhti and Mahti computing services have been decommissioned and no new jobs are accepted or executed on its compute nodes. Puhti and Mahti login nodes and storage services are planned to remain available until 15 October 2026. Clean up unnecessary files and move any data you need to keep by 31 August 2026. See the Roihu data migration guide for instructions on transferring your data to Roihu.

Mailing list

mahti-users: most recent messages

August 31, 2026

Mahti computing services are now closed / Mahdin laskentapalvelut suljettiin 31.8.2026 - servicedesk@csc.fi

August 24, 2026

Mahti computing services shutting down on 31 August 2026 - servicedesk@csc.fi

May 13, 2026

Unscheduled service break on Mahti, starting 13.5 - servicedesk@csc.fi

April 30, 2026

Unscheduled maintenance break has completed on Mahti - Mahti is available - servicedesk@csc.fi

April 30, 2026

Unscheduled maintenance break on Puhti and Mahti: update - servicedesk@csc.fi

April 30, 2026

Unscheduled maintenance on Puhti and Mahti 30.4.2026 - servicedesk@csc.fi