Cloud Migration- Which points to consider while Onprem to cloud migration for DNS and AD

Question

We are planning to migrate apps from on prem to cloud.

While gathering AD and DNS requirements, which points needs to be considered and which questions should be asked to customer.

Answer

Hello Kiran Krishnaji Patil,

Welcome to the Microsoft Q&A Platform! Thank you for asking your question here.

AD:

Understand the current domain structure, including the number of domains, forests, and trees.
Identify the number and location of domain controllers, including their operating system and version.
Determine the authentication protocols used, such as Kerberos, NTLM, or LDAP.
Identify GPOs that need to be migrated or recreated in the cloud environment.
Understand how users and groups are managed, including provisioning, deprovisioning, and role-based access control

.DNS:

Understand the current DNS infrastructure, including the number of DNS servers, their location, and the DNS software used.
Identify the types of DNS records used, such as A, CNAME, MX, and SRV records.
Determine how DNS resolution is currently handled, including any load balancing or traffic management configurations.
Identify any DNS security measures in place, such as DNSSEC or response policy zones (RPZ).
What is the authentication mechanism used currently?
Are there any specific AD groups or users that require special attention during the migration?
What is the current DNS infrastructure?
Are there any existing DNS zones or records that need to be migrated to the cloud?
Are there any specific DNS security requirements or restrictions that need to be considered?
Are there any plans to use cloud-specific DNS services?
What is the plan for AD synchronization and replication between on-prem and cloud environments?

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