I have migrated OEM13.4c to new host but stuck in recovery step
[oracle@new-oem13c bin]$ ./omsca recover -as -ms -nostart -backup_file /u01/opf_ADMIN_20201116_131417.bka
Oracle Enterprise Manager Cloud Control 13c Release 13.4.0.0.0
Copyright (c) 1996, 2020, Oracle. All rights reserved.
log4j:WARN No appenders could be found for logger (emctl.secure.oms.SecureOMSCmds).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
OS check passed.
OMS version check passed.
Performing Admin Server Recovery...
Retrieved Admin Server template.
Source Instance Host name where configuration is exported : sony-oem13c
instHost name retrieved from local host name : new-oem13c