Rust Client Integrity Violation: What It Means and How to Fix It
Getting Client Integrity Violation in Rust? Learn why Facepunch associates this error with damaged EAC files and how to restore the installation.
"Disconnected: EAC: Client Integrity Violation" can appear when attempting to join a Rust server.
The wording sounds serious, and some players immediately assume their account has been flagged for cheating.
However, Facepunch documents a common technical explanation.
What Does Client Integrity Violation Mean?
According to Facepunch Support, the message typically means local Easy Anti-Cheat files did not update properly or have become corrupted.
That can cause EAC to reject the current client state.
The error alone does not establish that the account has been banned.
Why Can EAC Files Become Damaged?
Game updates, incomplete installations or other system problems may leave files in an inconsistent state.
The relevant fix is to restore the official files rather than replacing them with unofficial downloads.
How to Fix Client Integrity Violation
Step 1: Locate the Rust Folder
Open Steam and find Rust in your Library.
Use the game's local-file browsing function to open its installation directory.
Step 2: Restore the EAC Installation
Facepunch's official instructions describe removing Rust's EasyAntiCheat folder and then verifying the game's files so Steam can download the required components again.
Follow the current support guide before deleting anything.
Step 3: Restart Steam
Facepunch's documented procedure includes completely exiting Steam and restarting it with the permissions specified in the support article.
Step 4: Verify the Files
Use Steam's file-integrity function.
Allow the verification and reacquisition process to complete.
Step 5: Restart Rust
Launch the game through the Steam Library and test the connection again.
Is This an HWID Ban?
No such conclusion should be drawn from this error alone.
Client Integrity Violation is commonly linked to local EAC installation problems.
An HWID spoofer is not a substitute for restoring damaged files.
Conclusion
Client Integrity Violation should first be investigated as an EAC file-integrity problem.
Use the official repair process and avoid treating the error as proof of an account ban.
Official resource: https://support.facepunchstudios.com/hc/en-us/articles/9903859345565-Disconnected-EAC-Client-Integrity-Violation
See also: Start Service Failed.