LinkedIn keeps logging out your accounts? Here's what might be causing it (and how to prevent it)

If you're seeing a pattern of LinkedIn session cookies going invalid or your accounts being logged out automatically during Phantom runs, especially with tools like Sales Navigator Search Export, you're not alone. Here's a breakdown of what can cause this, and how to reduce the chances of it happening.

Common causes of LinkedIn disconnections

1. Outdated or missing User Agent
- When you connect a LinkedIn account to PhantomBuster, the session cookie and User Agent are both captured.
- If your Chrome browser is out of date, the User Agent info might be missing or invalid.
- An outdated or mismatched User Agent can cause LinkedIn to flag or disconnect the session.

2. Too many Phantoms using the same session
- Running multiple Phantoms with one session cookie increases risk.
- Try starting with one Phantom per account and slower launch frequencies.

3. LinkedIn activity overlap:
- If your client (or teammate) is using the same LinkedIn account manually while Phantoms are running, LinkedIn may detect this as suspicious.
- Manual and automated actions both count toward rate limits.

4. New or underdeveloped LinkedIn accounts:
- Newly created or inactive accounts are more likely to be flagged.
- Premium accounts and mature profiles tend to be more stable.

5. Location mismatches (advanced setups only): 
- Most PhantomBuster users do not need a proxy to automate LinkedIn safely. 
- In some specific cases, for example, when automating a LinkedIn account that belongs to someone else and is usually accessed from a different country, a proxy may be used to match the account’s usual location. 
- If you use a proxy, make sure its location matches where the LinkedIn account is normally used. Using a proxy incorrectly can increase the risk of disconnections.

6. Other LinkedIn automation tools or extensions: 
- Running additional automation or browser extensions alongside PhantomBuster can interfere with cookies and cause conflicts.

How to prevent disconnections
- Update your Chrome browser:
- Reconnect the account by:
Removing the session cookie from the Users & Accounts page.
Re-adding it using the “Add LinkedIn Account” button.
- Make sure you're using separate Chrome sessions for each LinkedIn account.
- Stick to one Phantom per session cookie at first. 
- Scale up automation gradually.
- Ensure your User Agent always comes from the same browser where the account is logged in.

If you've dealt with repeated session disconnections, what helped resolve it for you? Feel free to share your setup or tips below.