During an upgrade engagement of a Vblock System, the customer realizes that they no longer have the credentials for the service account that are being used for the vCenter services. Due to time constraints, they recommend using the user credentials of the system administrator until the customer security team can be engaged to reset the service account password. After the upgrade completes, the vCenter services will not start.

Which log file in the CProgramDataVMwareVMware VirtualCenterLogs directory contains information relevant to troubleshooting the problem?