Zenzefi Certificates — After-Sales PKCS#12 bundle for XENTRY / Passthru connectivity 26.08.2026

ZenZefi Certificates Update
Mercedes XENTRY / PassThru Connectivity​

This update provides a complete and up-to-date set of certificates required for server communication and stable XENTRY Diagnostics operation.

Validity Period:
The After-Sales certificate is valid until August 26, 2026.

Archive Contents (Zenzefi_26_08_26.7z):
The archive contains the following 3 files:

• After-Sales_STANDARD_20260826.p12 — Main client certificate (PKCS#12) for diagnostic access rights.
• Root-CA.crt — Core Root certificate (Root Authority) for Windows trust store.
• Backend-CA.crt — Backend server certificate for establishing a secure connection.

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Zenzefi Certificates — After-Sales STANDARD exp. 2026-05-03

Brief changes vs 2026-03-04 bundle

• New consolidated After-Sales certificate file: After-Sales_STANDARD_exp20260503.p12.
• Validity window extended up to 03.05.2026 with refreshed CA / CRL chain.
• Tested with current XENTRY / OpenShell builds and Passthru/DoIP connections.
• Same simplified structure as previous pack – single PKCS#12 file plus short readme (no extra CA folders).

Update tips

1. Remove any old Zenzefi / After-Sales STANDARD certificates from the Windows certificate store and from XENTRY tools.
2. Import After-Sales_STANDARD_exp20260503.p12 into the appropriate certificate store according to the included instructions.
3. Confirm the new certificate chain is trusted, then restart ConfigAssist and XENTRY / OpenShell.

This update only replaces the After-Sales STANDARD certificate file with a newer bundle valid until 03.05.2026. All other installation steps and system requirements remain the same as described in the main resource description.

Brief changes vs 01.02.2026 bundle​#

• New consolidated After-Sales certificate file: After-Sales_STANDARD_exp20260304.p12.
• Updated validity window through 2026-03-04 with refreshed CA/CRL chain.
• Intended for use with current XENTRY / OpenShell builds and Passthru/DoIP connections.
• Simplified pack structure: single PKCS#12 file plus short readme (no separate CA folders).

Update tips​#

1. Remove old Zenzefi / After-Sales certificates from the Windows store and XENTRY tools.
2. Import After-Sales_STANDARD_exp20260304.p12 into the appropriate certificate store.
3. Confirm the new chain is trusted, then restart ConfigAssist and XENTRY.

Brief changes vs 12.2025:
• Refreshed After-Sales PKCS#12 (*.p12) certificates with new validity window (2026 series) and updated CA/CRL chain.
• Improved compatibility with recent XENTRY/OpenShell builds and Passthru/DoIP connectivity.
• Replaced/rotated intermediate roots to resolve “expired/chain not trusted” prompts; cleaner online login and SCN access.
• Pack structure: \P12\ (new bundle), \CA\ (root/intermediate), \ReadMe\ (import/cleanup steps).
Update tips: remove old Zenzefi certs, import the new *.p12, install updated CA chain, then restart ConfigAssist/XENTRY.