Solaris 10 booting to maintenance mode 

Requesting System Maintenance Mode

Console login service(s) cannot run

Root password for system maintenance (control-d to bypass): 

Cause :   A service critical for boot has been disabled or incorrectly modified.

To bring up the server :

# svcadm disable svc:/system/filesystem/minimal:default
# reboot

Complete the following steps to repair the fault:

1. Run the following command and note the first line of output:
# svcs -xv
2. Re-enable the service.
# svcadm enable svc:/system/filesystem/minimal:default
3. System should now come up normally.