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The Hosted Exchange service is a Microsoft Exchange email solution. You can use it to manage your emails, calendars and tasks wherever you are.
The RACI below details shared responsibilities between OVHcloud and the customer for Hosted Exchange service.
This shared model can help relieve the customer’s operational burden.
RACI definition
| Roles |
|---|
| R: Is in charge of carrying out the process |
| A: Accountable for the successful completion of the process |
| C: Is consulted during the process |
| I: Is informed of the results of the process |
1. Before subscription
1.1. Specify service as needed
| Activity | Customer | OVHcloud |
|---|
| Define and configure a domain name before service subscription | RA | |
| Choose the service's sizing (50GB or 300GB) without downgrade option | RA | I |
| Define the version of Exchange and the mutualized infrastructure that supports the service | | RA |
| Choose service location in EU (or in CA if the client uses CA website ) | I | RA |
2. Service availability
2.1. Install service
| Activity | Customer | OVHcloud |
|---|
| Install, configure, and deliver functional bricks of the service | I | RA |
| Provide service licences | I | RA |
| Produce, route, deliver and maintain physical machines, virtual machines and hosting buildings | | RA |
| Deliver a preconfigured service with requested number of mailboxes that needs additional configuration by the client | I | RA |
2.2. Reversibility model
| Activity | Customer | OVHcloud |
|---|
| Choose a migrator tool to import email accounts from another service | RA | |
| Activity | Customer | OVHcloud |
|---|
| Customize the service following business needs (domain alerts, quota of accounts, number of accounts, aliases management, define password policy, ...) | RA | I |
3. Service usage
3.1. Operations
3.1.1. Daily operations
| Activity | Customer | OVHcloud |
|---|
| Manage confidentiality, integrity of data hosted on the service | RA | |
| Manage data availability on the hosted service following OVHcloud SLA | | RA |
| Manage security risks related client personal data following OVHcloud DPA and ISSP | I | RA |
| Manage security risks of different components of the service | | RA |
| Manage risks of the client software being used (Outlook, Thunderbird, etc.) | RA | |
| Manage network accessibility of the Exchange service interface | | RA |
| Administrate the service infrastructure (servers, OS, antivirus, storage) | | RA |
| Administrate domain, mailboxes, distribution groups, etc. | RA | IR |
| Manage backups on the service | | RA |
3.1.2. Access management
| Activity | Customer | OVHcloud |
|---|
| Manage access to the OVHcloud Control Panel and to mailboxes following access control policy defined | RA | I |
| Define and implement security protocols on the service (IMAP, POP, MAPI, EWS) and security associated | I | RA |
| Manage access to control plane | A | RI |
| Manage access to mail service and data plane | RA | I |
| Manage physical and logical access to infrastructures for OVHcloud teams | | RA |
3.1.3. Monitoring
| Activity | Customer | OVHcloud |
|---|
| Monitor and manage alerts for the functioning of systems in support of the Exchange service | I | RA |
| Manage storage conception following Exchange service sizing (deleting emails once sizing capacity is overused) | RA | |
| Manage hardware sizing on the service | | RA |
| Manage the functioning of the Exchange service | I | RA |
| Maintain logs generated by Exchange service | | RA |
| Monitor the proper functioning of physical devices (utilities) in support of the Exchange service | | RA |
| Monitor service backups | | RA |
| Monitor business process hosted on the Exchange service | | RA |
3.1.4. Storage
| Activity | Customer | OVHcloud |
|---|
| Encrypt data on storage media | | RA |
3.1.5. Connectivity
| Activity | Customer | OVHcloud |
|---|
| Manage IP addressing plan and network systems (architecture, protocols, network traffic and access to the service) | | RA |
3.1.6. Management
| Activity | Customer | OVHcloud |
|---|
| Provide inventory of the service used | I | RA |
| Maintain in operational and security condition the Exchange service | | RA |
3.1.7. Business continuity
| Activity | Customer | OVHcloud |
|---|
| Define and maintain a business continuity and recovery plan following business needs | | RA |
3.2. Event management
3.2.1. Incidents
| Activity | Customer | OVHcloud |
|---|
| Notify, qualify, and manage incidents on the Exchange service | I | RA |
| Notify incidents on the Exchange service with ticketing system | RA | I |
| Realize backup recovery | I | RA |
3.2.2. Changes
| Activity | Customer | OVHcloud |
|---|
| Plan and deploy updates and patches on Exchange service, OS, and software in support of the service | | RA |
| Replace deficient hardware in support of the Exchange service | I | RA |
| Add and delete hardware and software configuration on the Exchange service | | RA |
4. Reverting
4.1. Reversibility model
| Activity | Customer | OVHcloud |
|---|
| Choose a migrator tool to export email accounts from old infrastructure | RA | |
| Choose the format of extraction file following the software used for the migration | RA | |
| Deliver PST file following client request | A | RI |
4.2. Data recovery
| Activity | Customer | OVHcloud |
|---|
| Define and plan reversion operations | RA | I |
5. End of service
5.1. Configuration destruction
| Activity | Customer | OVHcloud |
|---|
| Destroy configurations at end of service following contract termination | I | RA |
5.2. Data destruction
| Activity | Customer | OVHcloud |
|---|
| Destroy client's data | I | RA |
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15.11.2022 
Microsoft Exchange
Erste Schritte mit Hosted Exchange
2098