If you are seeing this error, try these quick troubleshooting steps:
Your name or Social Insurance Number (SIN) in the software doesn't exactly match the CRA's records .
family in eID applications. It occurs when the software (the eID Viewer or your browser) tries to access the digital certificates on your card but fails to complete the handshake. Common Triggers: Dirty or faulty chip: error r225 eid
[ eID Card ] ──(Physical Contact)──> [ Smartcard Reader ] ──(USB/Driver)──> [ eID Middleware ] ──(SSL/TLS Handshake)──> [ Gov/Bank Server ] │ [ ERROR R225 HERE ] Primary Root Causes
The eID Viewer or middleware application may be outdated or incorrectly configured. Troubleshooting Steps: If you are seeing this error, try these
Review every single line item row. Ensure that each field contains an authorized, client-approved identifier. Common valid identifiers include: VAT (Value Added Tax) GST (Goods and Services Tax) Sales Tax
Occasionally, aggressive antivirus software blocks the "Smart Card" communication port. Temporarily disable it to see if the error persists. Common Triggers: Dirty or faulty chip: [ eID
Press Win + R , type services.msc , find , right-click and select Restart . 3 Check Device Manager
High-security settings, tracker blockers, or ad-blocking extensions often aggressively flag the localhost handshake between your browser and the local eID reader daemon as a security threat, instantly aborting the handshake.
In the eID Viewer, you can go to the Log tab and copy the technical output. This log is the most "deep" report available and can be sent to official support for a line-by-line diagnosis.
For Mac users, ensure your security settings allow the installation by going to and clicking "Open Anyway". 3. Clear Browser Hurdles Sometimes the browser’s "memory" is the culprit. Switch Browsers: If you're on Chrome, try Firefox or Edge.