/mcpThe Cisco Unified Communications Operating System Administration window displays. Resetting OS Administrator and Security Passwords If you lose the Administrator password or security password, use the following procedure to reset these passwords. To perform the password reset process, you must be connected to the system through the system console, that is, you must have a keyboard and monitor connected to the server. You cannot reset a password when connected to the system through a secure shell session. The security password on all nodes in a cluster must match. Change the security password on all machines, otherwise the cluster nodes does not communicate. Caution You must reset each server in a cluster after you change its security password. Failure to reboot the servers (nodes) causes system service problems and problems with the Cisco Unified Communications Manager Administration windows on the subscriber servers. Caution During this procedure, you must remove and then insert a valid CD or DVD in the disk drive to prove that you have physical access to the system. Note Step 1 Log in to the system with the following username and password: • Username: pwrecovery • Password: pwreset The Welcome to platform password reset window displays. Step 2 Press any key to continue. Step 3 If you have a CD or DVD in the disk drive, remove it now. Step 4 Press any key to continue. The system tests to ensure that you have removed the CD or DVD from the disk drive. Step 5 Insert a valid CD or DVD into the disk drive. For this test, you must use a data CD, not a music CD. The system tests to ensure that you have inserted the disk. Note Step 6 After the system verifies that you have inserted the disk, you get prompted to enter one of the following options to continue: Cisco Unified Communications Operating System Administration Guide for Cisco Unity Connection Release 15 6 Log in to Cisco Unified Communications Operating System Administration Resetting OS Administrator and Security Passwords