Configuring Instant Messaging within CRM Online
For those of you who didn't know, CRM Online can be configured to work with Instant Messaging (Office Communicator, MSN Messenger, or Live Messenger). Specifically with Office Communicator, you can show presence for a particular user within CRM Online.
Below are the specific steps to enable this...
http://rc.crm.dynamics.com/rc/regcont/en_us/op/help/how_oi_im.htm
Things to note:
*Ensure you have put your CRM Online instance in your IE trusted sites
*Ensure IM is running for who you want to see for presence or to send an IM to
*Ensure the e-mail address is the same address used for their IM login