The following steps guide you through the installation and deployment of SQL Diagnostic Manages and the IDERA Dashboard while hosting the repository databases in an AlwaysOn environment.
Install SQL Diagnostic Manager in an AlwaysOn Environment
- In the IDERA SQL Diagnostic Manager Quick Start window, click Install SQL Diagnostic Manager.
- In the Welcome to the SQL Diagnostic Manager Setup Wizard screen, click Next.
- Accept the terms and conditions of the End-User License Agreement, and click Next.
- Select the SQLDM Console, SQLDM Services and Repository, and the SQLDM Web Console components and click Next.
- Enter the credential to be used by the IDERA services and click Next.
- Review the ports that are to be used by the SQLDM Web Console services and click Next.
- Specify the SQL Server instance and database name for the SQL Diagnostic Manager Repository and click Next.
In case you want to monitor more than one SQL Diagnostic Manager installation, check the Use Index Database checkbox, specify the SQL Server instance and database name, set the credential configuration of your preference, and click Next. Otherwise, skip this step by clicking Next.
Provide the installation directory for the SQL DM Web Console and SQL Diagnostic Manager and click Next.
- The following window prompts when the specified paths do not exist on the system. Click Yes to proceed.
- Click Install to start the installation.
- After the installation is completed, disable the Launch IDERA SQL Diagnostic Manager checkbox and click Finish.
Configure the Databases for High Availability
- Open the primary node of SQL Server Management Studio (SSMS) and connect the listener name.
- Set the Recovery Model of the IderaDashboardRepository and SQLdmRepository databases to Full.
- Perform a full backup of the IderaDashboardRepository and SQLdmRepository databases.
- Right-click the appropriate availability group and select Add Database...
- On the Introduction screen of the Add Database to Availability Group wizard, click Next.
- On the Select Database tab, select the IderaDashboardRepository and SQLdmRepository databases, and click Next.
- On the Connect to Replicas tab, connect to the other replica(s) in the availability groups by clicking Connect... next to the Server Instances, and click Next.
- On the Select Data Synchronization tab, select one of the following options for your environment, and click Next.
- Automatic Seeding
- Full database and log backup
- Join only
- Skip initial data synchronization
- On the Validation screen, ensure that all tests are successful and click Next.
- On the Summary screen, verify the actions you selected in the previous steps, and click Finish.
- The Results screen displays the summary of the performed actions and their results, click Close to exit the wizard.
- In SSMS connect to the secondary replica(s) and ensure that the databases were added successfully.
- On the server where SQL Diagnostic Manager is installed, restart the services listed below:
- SQLdm Collection Service
- SQLdm Management Service
- SQLdm Predictive Analytics Service
- SQLdm Rest Service
Validate SQL Diagnostic Manager Configuration
- To validate the SQL Diagnostic Manager configuration, launch the Desktop Client.
- Go to
> Manage License. In the New Key section, you should see the name of the listener and the port instead of the primary node name. 
If you see the listener and port as in the image above, you have successfully configured the repository databases in an availability group.
Consider that the Select Cluster Name option is a field only for a Scale-out configuration.