Cisco Email Security Appliance SF-ESA-13.5-K9 EOL Dates
Cisco ESA Async OS v13.5 EOL & EOSL Dates
SoftwareCategory: Software
Series: Cisco Email Security Appliance
EOSL Date: 2025-09-30
SF-ESA-13.5-K9 Lifecycle Timeline
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End-of-Life Announcement (EOL)2022-04-01
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End of Sale (EOS)2022-09-30
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End of Service Life (EOSL)2025-09-30
SF-ESA-14.0-K9
NEW
SF-ESA-13.5-K9 has reached EOL / EOS. Suggested replacement: Cisco ESA Async OS v14.0 for continued Cisco support.
Official Cisco EOL notice
You can view the official Cisco EOL / EOSL bulletin for this product at the link below.
View Official EOL DocumentationSF-ESA-13.5-K9 EOL Data – Full Overview
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End-of-Life Announcement (EOL)
- 2022-04-01
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End of Sale (EOS)
- 2022-09-30
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End of Service Life (EOSL)
- 2025-09-30
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Application SW – End of Service Contract Renewal
- 2024-12-26
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Application SW – End of SW Maintenance
- 2023-09-30
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Application SW – Last Ship
- 2022-12-29
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Cisco SF-ESA-13.5-K9 End-of-Life (EOL) & End-of-Sale (EOS) Overview
This page provides the official End-of-Sale (EOS), End-of-Life (EOL) and End of Service Life (EOSL) milestones for Cisco SF-ESA-13.5-K9. Use these lifecycle dates to plan hardware replacement, upgrade projects, and migration to newer Cisco platforms before the product is fully discontinued.
By understanding the Cisco SF-ESA-13.5-K9 EOL / EOSL timeline and support policy, IT managers, resellers and network integrators can renew maintenance contracts on time, reduce unplanned downtime, and choose compatible replacement models that fit their long-term network roadmap.
- Plan EOS / EOL hardware refresh
- Align support contracts with EOSL dates
- Evaluate Cisco replacement & upgrade options