BPCIN0343W There are new certificate requirements that are strictly enforced for macOS Catalina users which might affect their ability to access the IBM Spectrum Control GUI. During an upgrade of IBM Spectrum Control, certificates self-signed by IBM Spectrum Control will be made compliant automatically. However, if one or more of your certificates are not self-signed by IBM Spectrum Control, see the following links for more information. Validate that your certificates are compliant.