I have trying to research the cause of IXC454I messages when we IPL and have come up empty. We have a test environment where we bring up one LPAR (to initialize the Sysplex) and when complete, we bring up 15 more in one shot. A few will come up completely and others get IXC454I messages. We are running a z/9 BC with 4 CP's and one SAP. The CF is internal and we are using IC's and a list structure for communications. The LPARs are a mixture of z/OS 1.6-1.9. We tried increasing the IC's to 8 and the results were the same. We have another z/9 BC that has 4 CP's, 1 ICF and 2 SAPs. We see the same issues there. Any help would be much appreciated.
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