Digital TCP/IP Services for OpenVMS

This document provides release notes for Digital TCP/IP Services for OpenVMS (UCX) Version 4.0A. It outlines new features including IP multicasting, BIND server enhancements, updated management commands, and improvements to RPC, FTP, TELNET, and Remote Copy (RCP) functionality. The document also lists corrected problems within the kernel, BIND server, and NFS, and details known issues and restrictions affecting NTP, SMTP, installation, NFS, and VMScluster systems.