3238487 - Error "Account information not recognized" with SAP users after BI update

Getting the below error when logging to CMC/BI Launchpad after BI update from BI 4.2 to BI 4.3:

Account information not recognized: CSecSAPR3Binding :: XRFCCnxBroker :: BorrowConnection () failed. See the following log entries for more information. Error logging on to the SAP system. The following RFC error was reported: [Group, key, message]: [4, "RFC_COMMUNICATION_FAILURE", "LOCATION CPIC (TCP / IP) on local host with Unicode ERROR max no of 200 conversations exceeded 
TIME Wed Aug 17 10:19:00 2022
RELEASE     753
COMPONENT   CPIC (TCP/IP) with Unicode
VERSION     3
RC          466
MODULE      D:/depot/bas/753_REL/src/krn/si/cpic/r3cpic.c
LINE        15903
COUNTER     942
The authorization system has been deactivated in the memory. Possible reasons: The SAP system is not available or the logon data is invalid. The authorization system must be reactivated so that it is available again.

SAP BusinessObjects Business Intelligence platform 4.3

BI, 4.3, upgrade, SAP authentication, login fails, AUT, RFC error, Connection errors. , KBA , BI-BIP-AUT , Authentication, ActiveDirectory, LDAP, SSO, Vintela , Problem