Lifecycle record
ESC-4-5-A-K9 EOL & EOSL Dates
Cisco One Active ESC 4.5 Server Term License for Prod nw
Lifecycle status
In EOSL Phase
ESC-4-5-A-K9 reached its last date of support on 2023-07-31. Cisco support services are no longer available for this model. Recommended replacement: ESC-5X-A-K9.
Last checked: 2026-06-16
EOL & EOSL Dates and Details
| End-of-Life Announcement (EOL) | 2020-01-31 |
|---|---|
| End of Sale (EOS) | 2020-07-31 |
| End of Service Life (EOSL) | 2023-07-31 |
| Manufacturer | Cisco |
| Category | Software |
| Product Series | Cisco ESC Elastic Services Controller |
| Part Number | ESC-4-5-A-K9 |
| Release Date | - |
| Replacement Part Number | ESC-5X-A-K9 |
| Replacement Product Name | One Active ESC 5.x Server Term License for Prod nw |
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 | 2020-10-29 |
|---|---|
| End Of New Service Attachment Date: HW | 2021-07-31 |
| End Of SW Maintenance Releases Date: HW | 2021-07-31 |
| End Of Service Contract Renewal Date: HW | 2022-10-27 |
| Official EOL Notice | View Official EOL Documentation |
More Cisco ESC Elastic Services Controller EOL Dates
| Part Number | Product Name | EOL Announcement | End of Sale |
|---|---|---|---|
| ESC-4-5-LAB-K9 | Cisco ESC 4.5 Lab Server 5 Term Licenses for non Prod nw | 2020-01-31 | 2020-07-31 |
| R-ESC-4-5-LAB-P-K9 | Cisco Five ESC 4.5 Server Licenses for Lab Use | 2020-01-31 | 2020-07-31 |
| R-ESC-4-5-P-K9 | Cisco One Active ESC 4.5 Server License for Production | 2020-01-31 | 2020-07-31 |