## TL;DR

For "1.15.5 regression : can't rotate Active Directory credentials anymore": fix: upgrade to Vault 1.15.6, where a commenter confirmed the regression is resolved. If AD rotation stops working right after a Vault upgrade, check for a patch release before reworking your AD config.

```text
1.15.5 regression : can't rotate Active Directory credentials anymore
```

## Steps

1. Vault 1.15.5 broke Active Directory credential rotation. Fix: upgrade to Vault 1.15.6, where a commenter confirmed the regression is resolved. If AD rotation stops working right after a Vault upgrade, check for a patch release before reworking your AD config.

## When to use

You are seeing this: Vault 1.15.5 broke Active Directory credential rotation. Use this skill when you run into "1.15.5 regression : can't rotate Active Directory credentials anymore".

## When not to use

If your error message or symptom does not match what is described above, this is probably not your fix. Search for your exact error text instead of forcing this one to fit.

## Versions

Versions mentioned in the source: Vault 1.15.5, Vault 1.15.6. If you are on something much newer or older, the details may have shifted.

## Why this happens

The original report does not dig into a root cause. It documents the symptom and the fix that resolved it.