ESA Async OS v13.5
SF-ESA-13.5-K9
Software
· email security appliance Series
Can the ESA Async OS v13.5 still be purchased or renewed?
No. Sales ended on 2022-09-30 and coverage under this SKU ran through 2025-09-30. There is nothing left to renew. See Cisco's lifecycle bulletin.
When does ESA Async OS v13.5 coverage end?
Entitlement coverage under the ESA Async OS v13.5 ends on 2025-09-30.
What is the successor to the ESA Async OS v13.5?
Cisco has not published a successor SKU for the ESA Async OS v13.5.
ESA Async OS v13.5 Ordering and Coverage
SF-ESA-13.5-K9 is a Cisco software SKU sold against the email security appliance series. License and subscription SKUs follow an ordering lifecycle, not a hardware support window: past end of sale they cannot be bought or renewed, and coverage stops at the final support date. This product has reached end of life as of , meaning Cisco no longer provides technical support, software updates, or hardware replacement for this product. It was last available for purchase on . Organizations still running the ESA Async OS v13.5 should plan a migration .
Lifecycle Milestones
| Lifecycle notice published | 4y 6mo ago | |
|---|---|---|
| End of sale | 4y ago | |
| Last order date | 3y 9mo ago | |
| End of software maintenance | 3y ago | |
| Last date of support | 1y ago |
ESA Async OS v13.5