821: Service Pack 7 is not installed on the NetWare 4.1. server servername.
Source: Inventory Installation
Severity: Critical
Explanation: This error occurs when the installation program detects that Support Pack 7 for a NetWare 4.11 server is not installed. The installation program will not proceed further if the Support Pack is not found.
Action: Install Support Pack 7 or later on the NetWare 4.11 server, and then run the ZfD installation.