2. Prepare the existing network Complete the following activities to ensure that the existing network is ready to have a mail server installed. 1. Check whether the current system requires an upgrade 2. If an upgrade is required, upgrade it 3. Check what additional hardware needs to be upgraded, modified or purchased to support the new server and applications 4. Check whether a backup of the system been performed 5. Check whether a backup of the mailboxes/ data been performed 6. Check whether the current mailbox data is ready for migration 7. Review desktop configurations and operating systems to ensure they are compatible. 8. Check whether DNS requires configuration 9. Check whether there is a disaster recovery plan available for review 10. Check whether any remote or mobile connections are required Record your results in Network Preparation Template. Save your completed document as Network Preparation