What is NOT supported on Azure Virtual Machines

Before setting out to migrate workloads, it helps to know what is NOT supported on Azure Virtual Machines -

Note - Microsoft constantly updates its Azure services and information provided here may change

1. Microsoft does not support an upgrade of the operating system of a Microsoft Azure virtual machine.

2. Microsoft only supports server software that runs in the Microsoft Azure virtual machine environments subject to the Microsoft Support Lifecycle policy.

3. Microsoft does not support versions of the Microsoft server software that's running in the Azure virtual machine environment other than the following:
* Microsoft BizTalk Server 2013 and later - some features are not supported on Azure VMs
* Microsoft Dynamics AX 2012 R3 and later
* Microsoft Dynamics CRM 2013 and later - requires Azure Premium storage services
* Microsoft Dynamics GP 2013 and later
* Microsoft Dynamics NAV 2013
* Exchange Server 2013 and later
* Forefront Identity Manager 2010 R2 SP1 and later
* Microsoft HPC Pack 2012 and later
* Project Server 2013 and later
* SharePoint Server 2010 and later
* 64-bit versions of SQL Server 2008 and later
* System Center 2012 Service Pack 1 (SP1) and later, for some applications within them
* Team Foundation Server 2012 and later
* Windows Server 2008 R2 and later versions are supported for the following roles:
  - Active Directory Certificate Services
  - Active Directory Domain Services
  - Active Directory Federation Services
  - Active Directory Lightweight Directory Services
  - Application Server
  - DNS Server
  - Failover Clustering (conditions apply)
  - File Services
  - Network Policy and Access Services
  - Print and Document Services
  - Remote Access
  - Remote Desktop Services (conditions apply)
  - Web Server (IIS)
  - Windows Server Update Service

4. The following roles are not supported in Microsoft Azure virtual machines:
  - Active Directory Rights Management Services
  - Dynamic Host Configuration Protocol (DHCP) Server
  - Hyper-V
  - Rights Management Services
  - Windows Deployment Services
  - Windows Server features

5. The following significant features are not supported:
  - BitLocker Drive Encryption (on the operating system hard disk, may be used on data disks)
  - Internet Storage Name Server
  - Multipath I/O
  - Network Load Balancing
  - Peer Name Resolution Protocol
  - SNMP Services
  - Storage Manager for SANs
  - Windows Internet Name Service
  - Wireless LAN Service
  - NetBIOS

6. When you deploy two or more virtual machines to an availability set, Azure guarantees that at least one of those machines will be accessible 99.95% of the time. This SLA, however, does not extend to the software running on the virtual machines nor does it guarantee that the website or database hosted on it will be available.

7. Under the Microsoft Product Use Rights (PUR), Office and Windows 7 are not licensed to run on virtual machines.

8. Visual Studio subscription (MSDN) license keys can't be used on Azure VMs in production systems.

9. There is no way to convert an existing SQL Server VM to another license type, you'll have to provision a new VM and migrate your databases to the new server.

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