- Migrate application or services of old server to new server
- Obtain approval from application owner or business unit to decommission machine
- Shutdown old server and monitor the process for 30 days
- Validate that original application or service is running properly on the new server without dependency of old server
- Delete old server’s hostname(s) and DNS record(s) from active directory
- Delete IP reservation for old server from DHCP reservations, if necessary
- If server or application class falls within retention policy definition, make backups of data and/or machine files as necessary
- Remove physical hardware, or delete virtual machine (VM)
- Validate that the machine instance has been purged in DNS, DHCP, AD
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