How to Fix Roblox Error Code 264: Meaning, Root Causes & Solutions
Roblox Error Code 264 is a server-side infrastructure issue with the exact client signature "Same account launched game from different device. Reconnect if you prefer to use this device. (Error Code: 264)". It is primarily caused by duplicate active session token detected across different hardware or background processes. and can be resolved by close roblox on your phone/tablet, or log into roblox.com/my/account/security and click "log out of all other sessions" immediately.
| Telemetry Metric | Verified Value |
|---|---|
| Exact Client Modal String | “Same account launched game from different device. Reconnect if you prefer to use this device. (Error Code: 264)” |
| Diagnostic Fault Classification | Server-Side (Roblox Infrastructure Outage) |
| Affected Executables & Binaries | RobloxPlayerBeta.exe |
| Fastest 60-Second Resolution | Close Roblox on your phone/tablet, or log into roblox.com/my/account/security and click "Log Out of All Other Sessions" immediately. |
| Last Tested Client Build Hash | version-9d1a3b4c8e2f01aa |
| Official Documentation Citation | Official Roblox Help Center Citation → |
Instant 60-Second Quick Resolution Protocol
Roblox Error Code 264 triggers when the master session manager detects a second client instance starting with the same account ID. If you did not initiate this, someone else has your password.
https://www.roblox.com/my/account/securityWhy Roblox Error Code 264 Happens (Authentication & Security)
Roblox Error Code 264 occurs when duplicate active session token detected across different hardware or background processes. In technical terms, the client engine logs indicate that packet exchanges fail during the synchronization phase, triggering the modal message: “Same account launched game from different device. Reconnect if you prefer to use this device. (Error Code: 264)”.
Roblox Client Telemetry Log Signature:
[FLog::Auth] SessionTerminated: Concurrent session detected with identical userId on differing IP/device fingerprint
How to Fix Roblox Error Code 264 on Windows 10 & 11
Execute these verified steps in sequence on Windows PCs to resolve Error Code 264:
Step 1: Log Out of All Other Sessions & Reset Password
1420 SolvedInstantly invalidates all secondary cookies and background sessions across all phones, consoles, and PCs.
https://www.roblox.com/my/account/securityHow to Fix Roblox Error Code 264 on macOS and Mobile
Option 1: Log Out of All Other Sessions & Reset Password
Instantly invalidates all secondary cookies and background sessions across all phones, consoles, and PCs.
https://www.roblox.com/my/account/security