Azure VM Selection for SyteLine Workloads
SyteLine's application server and utility server processes are memory-intensive and benefit from compute-optimized or memory-optimized VM families. The E-series and D-series VMs are the most proven choices. Avoid burstable B-series for production SyteLine workloads because the IDO Request Processor demands sustained CPU.
- Application Server: Standard_E8s_v5 or higher with 8 vCPUs and 64 GB RAM minimum
- Web Server: Standard_D4s_v5 for IIS hosting with SyteLine Web UI and API layer
- Utility Server: Standard_E4s_v5 for batch processing, report generation, and scheduled tasks
- Azure Managed Disks with Premium SSD v2 for SQL data and log files
- Proximity Placement Groups to minimize latency between SyteLine app and SQL tiers
Azure SQL and Managed Database Options
SyteLine supports both SQL Server on Azure VMs and Azure SQL Managed Instance. Managed Instance provides near-complete SQL Server compatibility with reduced DBA overhead. For SyteLine deployments with heavy use of SQL Agent jobs, linked servers, or CLR assemblies, SQL Server on VM remains the safer choice.
- Azure SQL Managed Instance Business Critical tier for built-in HA and read replicas
- SQL Server on Azure VM with Always On Availability Groups for full feature compatibility
- Automated backups with point-in-time restore and geo-redundant storage
- Elastic pools not recommended for SyteLine due to unpredictable IDO query patterns
- TempDB configuration on local NVMe for Managed Instance or ephemeral disks on VMs
Networking and Identity Configuration
Azure Virtual Network design for SyteLine requires subnet isolation, private DNS zones, and integration with corporate identity providers. Azure Application Gateway or Azure Front Door can front the SyteLine web tier for SSL termination, WAF protection, and geographic load balancing.
- Hub-and-spoke VNet topology with SyteLine in a dedicated spoke subscription
- Azure Application Gateway v2 with WAF policy for SyteLine web UI protection
- Azure AD Connect or AD DS on Azure VMs for SyteLine Windows Authentication
- Private DNS zones for internal name resolution between SyteLine service tiers
- Azure Bastion for secure RDP access to SyteLine servers without public IPs
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