Encountered error while connecting to JCR Database

Issue

• The server logs shows below error when connecting to the portal JCR Database-

17:29:30,110 WARN  [org.jboss.resource.connectionmanager.JBossManagedConnectionPool] Throwable while attempting to get a new connection: null
org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (com.microsoft.sqlserver.jdbc.SQLServerException: Cannot open database "AAA_BBB_CCC" requested by the login. The login failed.)
    at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.getLocalManagedConnection(LocalManagedConnectionFactory.java:225)
    at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:195)

...
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Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: Cannot open database "AAA_BBB_CCC" requested by the login. The login failed.
    at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:197)
    at com.microsoft.sqlserver.jdbc.TDSTokenHandler.onEOF(tdsparser.java:246)