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Change the DNS zone replication scope for contoso.com from forest-wide (ForestDnsZones) to domain-wide (DomainDnsZones). First Requirement (Prevent child domain from receiving data): Changing the scope to All DNS servers in the domain (DomainDnsZones) restricts the zone data to only the domain controllers running DNS within the contoso.com domain, excluding domain controllers and DNS servers in the child domain corp.contoso.com. Second Requirement (Minimize replication traffic): It stops unnecessary replication across the entire forest to the child domain, containing updates strictly to the parent domain partition. Steps: 1. Open DNS Manager (dnsmgmt.msc) on a domain controller in contoso.com. 2. Expand the contoso.com forward lookup zone properties. 3. On the General tab, click Change next to the Replication setting. 4. Select To all DNS servers running on domain controllers in this domain (DomainDnsZones) and click OK. Reference: https://learn.microsoft.com/en-us/troubleshoot/windows-server/networking/create-apply-custom-application-directory-partition 

Use the Import-Csv command piped into Add-DhcpServerv4Reservation.This combined approach allows you to import the data and create all twenty-five reservations simultaneously with a single line of code. Run the following command in an elevated PowerShell window: Import-Csv -Path "C:\path\to\your\file.csv" | Add-DhcpServerv4Reservation Reference: https://learn.microsoft.com/en-us/windows-server/networking/technologies/dhcp/quickstart-install-configure-dhcp-server 

Create an Active Directory-integrated conditional forwarder for fabrikam.com with a forest-wide replication scope. DNS Domain Name: fabrikam.com' Master Servers: 172.16.10.10 and 172.16.10.11 Replication Scope: Stored in Active Directory and replicated to All DNS servers in the forest (Forest-wide). Reference: https://www.sentinelidentity.ca/posts/windows-dns-forwarders-conditional-stub

Configure a DHCP Relay Agent (such as an IP Helper address on the router) to forward DHCP traffic from the 10.10.20.0/24 subnet to the DHCP server at 10.10.10.5. Subnet Mismatch: The DHCP server is located on the 10.10.10.0/24 subnet. Broadcast Isolation: Client computers are on the 10.10.20.0/24 subnet. DHCP discovery requests use network broadcasts, which routers drop by default. APIPA Result: Because the broadcast messages never cross the router to reach the DHCP server, the clients fail to get an IP and fall back to APIPA (169.254.x.x) addresses. Reference: https://learn.microsoft.com/en-us/windows-server/networking/technologies/dhcp/quickstart-install-configure-dhcp-server 

A replication connection object does not need to be created manually, but you must assign subnet 10.41.0.0/16 to Site2. Automatic Generation: The Knowledge Consistency Checker (KCC) automatically creates replication connection objects. Site Link: Since a site link already exists between Site1 and Site2, the KCC will automatically build the replication topology once DC2 is moved. Subnet and Site Configuration Subnet 10.41.0.0/16: Assign this explicitly to Site2. This ensures clients on that subnet use site awareness to locate DC2 locally. 

To remove the stale storage configuration and clear the read-only, non-primordial storage pool left from the deleted cluster, you must change the pool's read-only state and then delete the pool using PowerShell. Required Steps Step 1: Set the storage pool to read-write.Run the following PowerShell command on the nodes to clear the read-only attribute: Get-StoragePool -IsPrimordial $False | Set-StoragePool -IsReadOnly $false Step 2: Delete the stale storage pool.Run the following PowerShell command to remove the storage pool and release the metadata on the physical disks: Get-StoragePool -IsPrimordial $False | Remove-StoragePool Reference: https://learn.microsoft.com/en-us/windows-server/storage/storage-spaces/storage-spaces-states

Create a domain-based DFS namespace on Server1, add Server2 as a namespace server for high availability, and then create folder targets under the namespace pointing to Server3 and Server4. Reference: https://learn.microsoft.com/en-us/windows-server/storage/dfs-namespaces/dfs-overview

SMB over QUIC is the feature to configure, which encapsulates SMB traffic inside a TLS 1.3-encrypted tunnel running over UDP port 443 instead of traditional TCP port 445. Reference: https://learn.microsoft.com/en-us/windows-server/storage/file-server/smb-over-quic

Storage File Data SMB Share Contributor should be assigned to the group. Storage File Data SMB Share Contributor allows read, write, and delete access over SMB while preventing the modification of Windows/NTFS ACL permissions (which requires the Elevated Contributor role). This follows the principle of least privilege by granting only the necessary data actions without administrative ACL modification rights at the share level. Reference: https://learn.microsoft.com/en-us/azure/storage/files/storage-files-identity-assign-share-level-permissions 

To resolve this issue, you need to configure an Alert Processing Rule in Azure Monitor. Alert processing rules allow you to selectively suppress notifications at scale over specific scopes without altering the conditions of your existing individual alert rules. Reference: https://learn.microsoft.com/en-us/azure/azure-monitor/alerts/alerts-processing-rules