## The problem
Issue hashicorp/vault#25249 (closed, 17 comments): <!-- Please reserve GitHub issues for bug reports and feature requests.
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**Describe the bug**
Can't...
## What fixed it
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.