On the client workstation, make sure that you have enabled File and Printer Sharing through the Windows Firewall to allow for a push install.
If the client workstation is not a member of a domain, you need to edit the workstation's registry key to allow for a push install. In the workstation registry editor, type:
Then create a new DWord, name it LocalAccountTokenFilterPolicy, and set its value to 1.
If you have selected multiple workstations, the account must have local admin privileges on all selected workstations.
If you are unable to push an install remotely, verify the following:
Are you entering a netbios domain name? Try to enter the username instead as domainusername.
Does the password contain any characters that are not alphanumeric?