GC Assign Activity to Multiple Accounts for MS CRM 4.0 is a handy add-on for Microsoft CRM 4.0. It lets you add any type of the tasks to multiple accounts in one click. You can also assign these tasks to multiple users on your team. There is an opportunity to send fax or e-mail, make a phone call, write a letter, set up an appointment. this add-on you allows do all this with few clicks. You do not have to repeatedly add it to each account separately.
Install the add-on directly on the CRM server. During the installation you will be asked for the CRM web URL, username, password. The user account needs to have permissions to make customizations.