IMPORTANT: HP-UX PA-RISC computers monitored by Operations Manager will experience heartbeat and monitoring failures after an upcoming Windows update

Microsoft is preparing to strengthen Windows security by allowing only RSA keys that are more or equal of 1024 bits. As SCOM uses 512 bit key for monitoring HP-UX PA-RISC this will break communication between such servers. Read more about the problem and how to implement workarounds here.