---
title: kIOFWEnableRetryOnAckD
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1645951-anonymous/kiofwenableretryonackd
---

# kIOFWEnableRetryOnAckD

## Declaration

```occ
kIOFWEnableRetryOnAckD = (1 << 2)
```

## Discussion

Discussion Enable retry on Ack D