---
title: "Sitecore Cortex Processing Storage"
slug: "sitecore-cortex-processing-storage"
abstract: "Overview of Sitecore Cortex Processing Storage supported infrastructure, references, and privacy and security."
---
# Sitecore Cortex Processing Storage

The Sitecore Cortex™ Processing Storage role stores data related to the Sitecore Cortex Processing Engine such as data projection results and trained machine learning models.

<details>
<summary><h2>Supported infrastructure</h2></summary>

You can host the Sitecore Cortex Processing Storage role on:

- SQL Server
- SQL Azure

Refer to the [Sitecore compatibility table](https://kb.sitecore.net/articles/087164) for compatible versions.

</details>

<details>
<summary><h2>Reference structure</h2></summary>

The Sitecore Cortex Processing Storage role has its place in the Sitecore reference structure. It can be referenced by other roles, and it can also reference other roles.

![Illustration showing the Sitecore Cortex™ Processing Storage role's place in the Sitecore reference structure.](https://doc.sitecore.com/api/markdown-image/xp/en/developers/91/platform-administration-and-architecture/images/processing-storage-db.PNG)

### Referenced by

The Sitecore Cortex Processing Storage role is referenced by the following roles:

- [Sitecore Cortex Blob Storage service](https://doc.sitecore.com/xp/en/developers/91/platform-administration-and-architecture/sitecore-cortex-processing-blob-storage-service.html "Sitecore Cortex Processing Blob Storage service")
- [Sitecore Cortex Table Storage service](https://doc.sitecore.com/xp/en/developers/91/platform-administration-and-architecture/sitecore-cortex-processing-table-storage-service.html "Sitecore Cortex Processing Table Storage service")

### References

The Sitecore Cortex Processing Storage role does not reference other roles.

</details>

<details>
<summary><h2>Privacy and security</h2></summary>

The Sitecore Cortex Processing Storage role handles personal data in the following way:

- Temporarily stores the results of data projection, which may include personal data.
- Can be used as storage by any processing worker or external machine learning platform, such as Microsoft Machine Learning Server.

> [!note]
> There are no default tasks or task chains that result in personal data being written to the Sitecore Cortex Processing Storage role.

The Sitecore Cortex Processing Storage database supports Always Encrypted.

</details>