Topic 1, Contoso Ltd Case Study
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Overview
Contoso, Ltd. is a manufacturing company that has 15,000 employees.
The company uses SAP for sales and manufacturing.
Contoso has sales offices in New York and London and manufacturing facilities in Boston and Seattle.
Existing Environment
Active Directory
The network contains an on-premises Active Directory domain named ad.contoso.com. User email addresses use a domain name of contoso.com.
SAP Environment
The current SAP environment contains the following components:
* SAP Solution Manager
* SAP ERP Central Component (SAP ECC)
* SAP Supply Chain Management (SAP SCM)
* SAP application servers that run Windows Server 2008 R2
* SAP HANA database servers that run SUSE Linux Enterprise Server 12 (SLES 12) Problem Statements Contoso identifies the following issues in its current environment:
* The SAP HANA environment lacks adequate resources.
* The Windows servers are nearing the end of support.
* The datacenters are at maximum capacity.
Requirements
Planned Changes
Contoso identifies the following planned changes:
* Deploy Azure Virtual WAN.
* Migrate the application servers to Windows Server 2016.
* Deploy ExpressRoute connections to all of the offices and manufacturing facilities.
* Deploy SAP landscapes to Azure for development, quality assurance, and production.
All resources for the production landscape will be in a resource group named SAPProduction.
Business goals
Contoso identifies the following business goals:
* Minimize costs whenever possible.
* Migrate SAP to Azure without causing downtime.
* Ensure that all SAP deployments to Azure are supported by SAP.
* Ensure that all the production databases can withstand the failure of an Azure region.
* Ensure that all the production application servers can restore daily backups from the last 21 days.
Technical Requirements
Contoso identifies the following technical requirements:
* Inspect all web queries.
* Deploy an SAP HANA cluster to two datacenters.
* Minimize the bandwidth used for database synchronization.
* Use Active Directory accounts to administer Azure resources.
* Ensure that each production application server has four 1-TB data disks.
* Ensure that an application server can be restored from a backup created during the last five days within
15 minutes.
* Implement an approval process to ensure that an SAP administrator is notified before another administrator attempts to make changes to the Azure virtual machines that host SAP.
It is estimated that during the migration, the bandwidth required between Azure and the New York office will be 1 Gbps. After the migration, a traffic burst of up to 3 Gbps will occur.
Proposed Backup Policy
An Azure administrator proposes the backup policy shown in the following exhibit.

Azure Resource Manager Template
An Azure administrator provides you with the Azure Resource Manager template that will be used to provision the production application servers.