You have a problem with the sync Spectrum => PM, problems with SSL certificates.
Below error is seen while testing connection from PM Data Sources:
ERROR | qtp343377653-35536 | 2025-09-15 03:02:28,128 | com.ca.im.portal.api.services.datasource.DataSourcePoll
| Received WebServiceException from version check for data source Spectrum Infrastructure Manager@<spectrum-hostname>. CAUSE=javax.net.ssl.SSLHandshakeException: No subject alternative DNS name matching <spectrum-hostname> found.. MESSAGE=Could not send Message.. Returning DS_COMM_SSL_HANDSHAKE_FAILURE result.
All supported releases of Performance Management
DNSName in the Spectrum ssl certificate for Spectrum host is not matching to the Spectrum Host Name configured in the PM (Data Source).
Verify the DNSName set in the Spectrum ssl certificate for Spectrum host using below command:
keytool -list -v -keystore $SPECTROOT/custom/keystore/cacerts|grep "DNS"
Update the Host Name in PM data source accordingly and test the connection.