Have a communication plan
If your team will not be gathered in a central location, you will need to have a plan for side-bar conversations. Determine if you will use text messaging or a combination of landline and mobile devices to ensure you can still have private conversations. Make sure you have a contact list and know all players primary and secondary contacts.
Communicate the communication plan from leadership to all personnel
Ensure that everyone is familiar with the communication plan and has tested the technology they plan to use as primary and backup. Know your emergency contacts and make sure the contact information is widely distributed.
Have IT resources available
This applies for in-person audits as well, however may be even more important in a remote audit situation. Ensure your IT teams are aware that an audit is occurring and that dedicated IT personnel are available to troubleshoot in the event of challenges.
Identify a lead and a backup for each area
This is another tip that applies to in-person audits but is critically important for remote sessions. Joining remotely can often mean one more technical issue that would prevent a key resource from joining a session. Ensure that you have back-ups that can cover for and speak to key areas.