Could not open /dev/vmmon: No such file or directory. Please make sure that the kernel module `vmmon’ is loaded, or, Failed to open device “/dev/vmci”: No such file or directory. Please make sure that the kenel module ‘vmci’ is loaded. Module Device PowerOn power on failed

Solution:

Step 1)  Check current version & other details like:

o   Version: Workstation 6.5 virtual machine

o   Guest OS: Red Hat Enterprise Linux 5

o   Configuration files & Snapshot, etc.

Step 2)  Check current running process, Ram & Disk Status:

                # top

                # free –m

                # ps –ef | grep vmware

Step 3)  Check current loaded module for error:

                # lsmod | grep vm

                                Module vmmon loaded

Module vmnet not loaded

               

Step 4)  For rectifying the above issue runs command to load VM modules:

# /etc/init.d/vmware restart

Stopping VMware services:

   Virtual machine communication interface[  OK  ]

   Virtual machine monitor[  OK  ]

   Blocking file system[  OK  ]

Starting VMware services:

   Virtual machine monitor[  OK  ]

   Virtual machine communication interface[  OK  ]

   Blocking file system[  OK  ]

   Virtual ethernet[  OK  ]

   Shared Memory Available[  OK  ]

Step 5)  To start VMware services automatically while rebooting the server, run below command:

                 

# chkconfig --list | grep vm

vmware         0:off             1:off      2:off      3:off      4:off      5:off      6:off

# chkconfig vmware on

# chkconfig vmware on--list | grep vm

vmware         0:off             1:off      2:on       3:on       4:on       5:on       6:off

Step 6)  Now check current running processes:

                # top

                # ps –ef | grep vmware