In versions 22.x–23.x, the agent does not fully reinitialize the WebSocket stack after a proxy-side drop; instead, it retries the same stale TLS session, looping into Error 2008 until the agent service is restarted.
: If a previous version of SentinelOne was installed on the machine, leftover folders or registry keys can cause this error. sentinelone error code 2008
Check for and delete the following folders if they still exist: C:\Program Files\SentinelOne\ C:\ProgramData\Sentinel\ 3. Check OS Compatibility and Cipher Suites In versions 22
Navigate to your Program Files directory and check for an existing SentinelOne folder. Check OS Compatibility and Cipher Suites Navigate to
| Function | Impact Level | Details | |----------|--------------|---------| | Real-time response | | Live terminal, remote bash, and script execution unavailable. | | Threat intelligence updates | Low | Updates via fallback HTTP polling every 15 min (slower but works). | | On-demand scans | Medium | Cannot initiate remotely; local scans via UI still work. | | Deep Visibility (network) | High | No real-time network connection logs; query results delayed by up to 1 hour. | | Policy push | Medium | New policies apply on next heartbeat (every 5 min) instead of instantly. | | Endpoint isolation | Critical | Cannot remotely isolate; must rely on local user action or automation scripts. |