Virtel 4.62 GA - Secure Connectivity, Smarter Access
Virtel 4.62 continues the evolution of secure, reliable, and flexible mainframe access.
This release strengthens web-to-host connectivity with enhanced TN3270 support, dynamic LU management, and stronger session encryption—while simplifying deployment and administration for modern hybrid infrastructures.
What’s New in Virtel 4.62?
Stronger Security and Session Management
- Session Code Encryption with AES (CRYPTS=): Virtel sessions can now be encrypted using AES-128, AES-192, or AES-256, ensuring maximum data protection between client and host.
- Passphrase support in the Virtel Admin Interface
- Improved Credential Messaging: Enhanced clarity and security in login error messages.
- Dynamic line definitions via DNS
- NFORCEIP= Parameter: Enforce or relax client IP consistency checks for compatibility with zScaler or similar proxies.
Simplified Administration and Configuration
- LU Nailing by User ID: New user-based Relay LU assignment enables persistent terminal or printer sessions, with dynamic table support.
- Dynamic Relay Table: Admins can now manage Relay terminal definitions more flexibly via ARBO statements.
- Updated Installation and Sample Members: New TN3270 definitions, sample configurations, and support for z/VSE in both English and French streamline deployment and maintenance.
Enhanced End-User Experience
- Toolbar Enhancements in Web Access (W2H): New buttons for faster access to key features.
- Improved Color and FTP Support: Web Access (CLI-00) benefits from richer presentation and file transfer improvements.
- IE11 Compatibility Mode (Edge): Full support for IE11 compatibility mode in Microsoft Edge ensures seamless access in secured environments.
- Better Feedback for Input Fields: Option buttons and PF keys now respond more consistently, improving user interaction.
Migration Notes and Compatibility
- End of Compatibility Mode: The legacy "COMPATIBILITY" mode for w2hparm (deprecated since 4.61) is no longer supported. Customers should ensure migration to "Option" mode.
- Stats File Update: Reallocation required for STATS file with LRECL=255.
- Virtel Versions Older than 4.59 No Longer Supported: For full support and feature compatibility, we recommend upgrading to the latest version.
Maintenance Highlights (Selection)
Virtel 4.62 includes over 60 corrective and improvement updates. Notable ones include:
- Correction of several ABEND conditions (e.g., S0C4, ASRA)
- Memory leak fixes during LPKALIVE
- Improved ruleset initialization and multi-line command handling
- Enhanced handling of cookies and logout behavior
- More consistent behavior of the ATTN key, PF keys, and ADMIN panels
Need Help Migrating?
If you need a more technical version of the Virtel 4.62 release note please visit our dedicated documentation website or contact us at info@virtelweb.com for any information.
Virtel 4.62 relase note | Virtel 4.61 relase note | Virtel 4.60 release note
MARSH journey:
Modernizing mainframe interfaces with Virtel Screen Redesigner
«Traditional green screens are complex for new users. There is a growing demand for a more modern interface. VSR has enabled us to avoid a complete and costly overhaul of the system, while leveraging the usability and performance of our current technology. In just a few months, we were able to improve the user experience by transforming the aesthetics of over 1,600 screens and integrating key functionality such as SSO».
Olivier VanDromme, IT Director Marsh
Read our case studies :
"Modernizing mainframe interfaces with Virtel Screen Redesigner"
"NRB implements Virtel to integrate Ethias' Legacy applications into their new Angular Web Portal"
"Virtel allowed both our users and technical team to transition smoothly to the internet"
"Virtel Web Access allows total freedom of choice for client workstation"
"The solution provided by Virtel perfectly fits our requirements.
It is both performant and flexible : the average recorded response times are significantly lower than the required values"