Log in to Verify Download Permissions. The LHC performs two primary functions: Permits a server to function in the absence of a connection to the data store. The following information is contained in the LHC: All servers in the farm, and their basic information. All applications published within the farm and their properties. All Windows network domain trust relationships within the farm. All information specific to itself product code, SNMP settings, licensing information.
Refreshing the Local Host Cache If the IMA service is currently running, but published applications do not appear correctly in ICA Client application browsing, force a manual refresh of the LHC by running dsmaint refreshlhc from a command prompt on the affected server.
This action forces the LHC to read all changes immediately from the data store. Refer to the Disclaimer at the end of this article before using Registry Editor. Using Registry Editor incorrectly can cause serious problems that might require you to reinstall your operating system.
Citrix cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk. Windows authentication is required between the Controller and the databases. A Controller can be unplugged or turned off without affecting other Controllers in the site.
This means, however, that the site database forms a single point of failure. If the database server fails, existing connections continue to function until a user either logs off or disconnects. For information about connection behavior when the site database becomes unavailable, see Local Host Cache. Citrix recommends that you back up the databases regularly so that you can restore from the backup if the database server fails.
The backup strategy for each database can differ. For instructions, see CTX If your site contains more than one zone, ensure that the primary zone always contais the site database. Controllers in every zone communicate with that database.
Local Host Cache enables users to connect and reconnect to applications and desktops even when the site database is not available. For more information, see Local Host Cache. If all Controllers in a site fail, you can configure the VDAs to operate in high availability mode, which allows users to continue to access their desktops and applications. Use this feature only on the rare occasion when communication with all Controllers fails.
The feature is not an alternative to other high availability solutions. For more information, see CTX That default action is usually sufficient for proof of concept or pilot deployments. The default installation uses the default Windows service accounts and permissions. See the Microsoft documentation for details of these defaults, including the addition of Windows service accounts to the sysadmin role.
The Controller uses the Network Service account in this configuration. If necessary, you can select Hide instance for the database instance. For most production deployments, and any deployment that uses Microsoft high availability features, we recommend using only supported non-Express editions of SQL Server. System requirements lists the supported SQL Server versions. The databases can reside on one or more machines.
Ensure the SQL Server software is installed before creating a site. Configuring Microsoft high availability technologies is also recommended.
Specify the database names and addresses location on the Databases page in the site creation wizard. See Database address formats. To avoid potential errors when Director queries the Monitor Service, do not use whitespace in the name of the monitoring database.
The Databases page offers two options for setting up the databases: automatic and using scripts. Generally, you can use the automatic option if you the Studio user and Citrix administrator have the required database privileges. See Permissions required to set up databases.
You can change the location of the configuration logging and monitoring database later, after you create the site. See Change database locations. To configure a site to use a mirror database, complete the following and then proceed with the automatic or scripted setup procedures.
To verify mirroring after creating the site, run the PowerShell cmdlet get-configdbconnection to ensure that the Failover Partner has been set in the connection string to the mirror. If you later add, move, or remove a Delivery Controller in a mirrored database environment, see Delivery Controllers. If you have the required database privileges, select Create and set up databases from Studio on the Databases page of the site creation wizard.
Then provide the names and addresses of the principal databases. If a database exists at an address you specify, it must be empty. When you confirm that action, Studio automatically creates the databases, and then applies the initialization scripts for the principal and replica databases. If you do not have the required database rights, request assistance from someone who does, such as a database administrator. Here is the sequence:. On the Databases page in the site creation wizard, select Generate scripts to manually set up.
This action generates the following three types of scripts for each of the following principal and the replica databases: site, monitoring, and logging databases. To generate those scripts, you can also use PowerShell. For details, see Preferred database rights scripts. Give those scripts to your database administrator. The site creation wizard stops automatically at this point. You are prompted when you return later to continue the site creation.
The database administrator then creates the databases. Each database must have the following characteristics:. When all the scripts complete successfully, the database administrator gives the Citrix administrator the three principal database addresses. Customers who viewed this article also viewed. Log in to Verify Download Permissions. Following Powershell cmdlet helps to check the health of Delivery Controller.
Ensure that the status of all the Delivery Controllers is "Active". With every version we have few new services and instances which get added, i. Third party notices.
System requirements. Plan your StoreFront deployment. User access options. User authentication. Optimize the user experience.
StoreFront high availability and multi-site configuration. Install, set up, upgrade, and uninstall. Create a new deployment. Join an existing server group. Migrate Web Interface features to StoreFront. Configure server groups. Configure authentication and delegation. Configure the authentication service. XML service-based authentication. Configure Kerberos constrained delegation for XenApp 6. Configure smart card authentication.
Configure the password expiry notification period. Configure and manage stores. Create or remove a store. Create an unauthenticated store. Export store provisioning files for users. Advertise and hide stores to users.
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