If you encounter problems logging in to the Cisco Security Manager 4.4 web server or client or
backing up its databases, which account has most likely been improperly modified?
A.
admin (the default administrator account)
B.
casuser (the default service account)
C.
guest (the default guest account)
D.
user (the default user account)
casuser — The casuser user account is equivalent to a Windows administrator and provides access to all Common Services and Security Manager tasks. You do not normally use this account directly.
Do not modify casuser (the default service account) or directory permissions that are established during the installation of the product.
Answer is correct
https://www.cisco.com/c/en/us/td/docs/security/security_management/cisco_security_manager/security_manager/4-4/installation/guide/instl_wrapper/inserver.html