Lifecycle record

ISA-FTD6-6-K9 EOL & EOSL Dates

Cisco FTD unified software v6.6 for ISA3000

Lifecycle status

In EOSL Phase

ISA-FTD6-6-K9 reached its last date of support on 2025-04-30. Cisco support services are no longer available for this model. Recommended replacement: ISA-FTD7-0-K9.

Last checked: 2026-06-16

EOL & EOSL Dates and Details

End-of-Life Announcement (EOL) 2021-10-07
End of Sale (EOS) 2022-04-07
End of Service Life (EOSL) 2025-04-30
Manufacturer Cisco
Category Software
Product Series Cisco FTD unified software for ISA3000
Part Number ISA-FTD6-6-K9
Model Number ISA-FTD6.6-K9
Release Date -
Replacement Part Number ISA-FTD7-0-K9
Replacement Product Name Cisco FTD unified software v7.0 for ISA3000

Lifecycle Timeline

Recorded lifecycle milestones in date order.

  • End-of-Life Announcement (EOL)
    2021-10-07


  • End of Sale (EOS)
    2022-04-07


  • Last Ship Date
    2022-07-06


  • End of SW Maintenance
    2023-04-07


  • End of Service Contract Renewal
    2024-07-03


  • End of Service Life (EOSL)
    2025-04-30

Additional Information

Support milestones and the official source recorded for this model.

Last Ship Date: HW, License 2022-07-06
End Of New Service Attachment Date: HW 2023-04-07
End Of SW Maintenance Releases Date: HW 2023-04-07
End Of Service Contract Renewal Date: HW 2024-07-03
Official EOL Notice View Official EOL Documentation