---
page_type: error
code: 80904
message: "80904: Expired Proxy Session"
level: WARNING
product: Proxy
---

## Description

Proxy session has expired.

### Possible Causes

- Session has expired due to **"Ttl"** or **"DateExpiry"** has been reached.

  - If Session has DateExpiry property set, it overrides the Ttl value and session will expire as soon as DateExpiry is reached.
  - If Both the properties are not set, default Ttl is set to 90 days and session expires when Ttl is reached.

### Possible Solutions

Create a new session or re-open a closed session within the service. Refer: [docs](/docs/proxy/api/session)