---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/45789#article
headline: "45789: Deployment key is already linked to other address  configuration sid."
url: https://www.twilio.com/docs/api/errors/45789
inLanguage: en
dateModified: 2026-03-11T20:01:16.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 45789: Deployment key is already linked to other address  configuration sid.

Log Type: APPLICATION

Log Level: WARNING

## Description

Deployment key is already linked to another address configuration Sid.

### Possible causes

You cannot link deployment key to multiple address configuration Sids.

### Possible solutions

First unlink the deployment key from current address configuration Sid.