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DP-300 · Question #264

Hotspot Question You have an Azure subscription. You plan to migrate 10 on-premises Microsoft SQL Server instances to Azure. You need to ensure that the migrated environment can be managed by using…

Azure Multiserver Administration: MSX/TSX SQL Deployment Options Background Concept SQL Server Agent multiserver administration uses a master server (MSX) that distributes jobs to registered target servers (TSX). This requires full SQL Server Agent support - not all Azure SQL…

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Question

Hotspot Question You have an Azure subscription. You plan to migrate 10 on-premises Microsoft SQL Server instances to Azure. You need to ensure that the migrated environment can be managed by using multiserver administration and supports master/target (MSX/TSX) jobs. The solution must minimize administrative effort. Which SQL deployment options should you select as the master server (MSX) and the target server (TSX)? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point. Answer:

Exhibit

DP-300 question #264 exhibit

Answer Area

  • MSX:
    SQL databaseSQL managed instancesSQL virtual machines
  • TSX:
    SQL databaseSQL managed instancesSQL virtual machines

Explanation

Azure Multiserver Administration: MSX/TSX SQL Deployment Options

Background Concept

SQL Server Agent multiserver administration uses a master server (MSX) that distributes jobs to registered target servers (TSX). This requires full SQL Server Agent support - not all Azure SQL deployment options provide this.


Dropdown 1: MSX (Master Server)

Correct Answer: SQL Managed Instance

OptionVerdictReason
SQL Managed InstanceCorrectFull SQL Server Agent support, including the ability to act as MSX. It's a PaaS service - no OS/infrastructure management required, minimizing admin effort.
SQL Virtual MachinesWrongTechnically supports MSX, but it's IaaS - you manage the OS, patching, and infrastructure. This violates the "minimize administrative effort" requirement.
SQL DatabaseWrongDoes not support SQL Server Agent multiserver administration at all. Uses Elastic Jobs instead, which is a completely different (and incompatible) mechanism.

Dropdown 2: TSX (Target Servers)

Correct Answer: SQL Managed Instance

OptionVerdictReason
SQL Managed InstanceCorrectSupports SQL Server Agent and can be enrolled as a TSX under an MSX. PaaS model again minimizes admin overhead across all 10 migrated instances.
SQL Virtual MachinesWrongCan technically be a TSX, but IaaS overhead across 10 VMs is significant. Fails the "minimize administrative effort" requirement at scale.
SQL DatabaseWrongNo SQL Server Agent TSX support whatsoever. Cannot participate in MSX/TSX job distribution.

Key Rule to Remember

MSX/TSX multiserver administration requires SQL Server Agent, which is only fully supported in SQL Managed Instance and SQL Virtual Machines. Since the requirement is to minimize admin effort, Managed Instance wins over VMs in both roles - it's the only option that satisfies both technical compatibility and the operational constraint.

Topics

#SQL Managed Instance#SQL Server Agent#MSX/TSX#Multiserver administration

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