VMware introduced additional security measures in vSphere 4.1. By default, the copy and paste feature is disabled.
To re-enable this feature:
Note: There are two methods of achieving this, first is on VM basis and the other is system wide.
1.Log in to vSphere Client and select the virtual machine in the inventory.
2.The configuration page for this virtual machine appears with the Summary tab displayed.
3.Power off the virtual machine.
4.Right-click the virtual machine and click Edit Settings.
5.Click Options > Advanced > General > Configuration Parameters.
7.Type isolation.tools.copy.disable in the Name field and false into the Value column.
8.Type isolation.tools.paste.disable in the Name field and false into the Value column.
9.Power on the virtual machine.
1.Log in to the ESX/ESXi host as a root user.
2.Take a backup of the /etc/vmware/config file.
3.Open the /etc/vmware/config file using a text editor.
4.Add these entries to the file:
vmx.fullpath = "/bin/vmx" isolation.tools.copy.disable="FALSE" isolation.tools.paste.disable="FALSE"
5.Save and close the file.