Upgrade Windows server from 2008 R2 to 2019
Upgrade Windows server from 2008 R2 to 2019
Scenario:
- DC01 host DNS role
- DC02 host Active Directory Domain Controller
- DC03 host FSMO roles (not working properly)
- all the pwd and objects are not replicate
Testing:
Shutdown DC01 and DC03, AD and DNS are not working.
- Solution:
— Force replicate the administrator password to replicate to all DC —-
net stop kdc
klist purge
netdom resetpwd /server:127.0.0.1 /userd:domain.com\administrator /passwordd:*
net start kdc
- verify prefer dns ip address all DCs
- verify the dns role
- intergrate dns with Active Directory
- install dns role on the (DC02)
- transfer dns records to (DC02)
- verify name servers (tab)
- shutdown DC03
- sieze fsmo roles to DC02
- shutdown DC01
- clean metadata objects (delect DC01 & DC03 from active directory and computer,delect DC01 & DC03 from site & services)
- raise funtional lavel to 2008R2 in Domain and Trust
- FRS to DFSR SYSVOL Migration Steps
https://noynim.com/blog/technical-fixes/frs-to-dfsr-sysvol-migration-step-by-step/ - Promote SR 2019 As Primary 2K19DC01
- Promote SR 2019 As Secondary 2K19DC02
- shutdown DC02
- Testing and Monitor