OnCommand System Manager 3.x cannot connect to 7-mode storage via TLS with RSA key length of 2048
Applies to
OnCommand System Manager (OCSM) 3.x
7-mode ONTAP
Java 8u65+
RSA key length >= 2048
Issue
While attempting to connect to a 7-mode ONTAP storage system via HTTPS using OCSM, the following error message is displayed:
500 Connection refused
The storage system configuration has TLS and SSL enabled (both partners for Data ONTAP 7-Mode).
The Java configuration has TLS 1.0, 1.1, and 1.2 enabled.
The browser being used has TLS 1.0, 1.1, and 1.2 enabled.