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.
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 |