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Copy file name to clipboardExpand all lines: articles/search/search-create-service-portal.md
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[**Azure AI Search**](search-what-is-azure-search.md) is an information retrieval platform for the enterprise. It supports traditional search and conversational AI-driven search for "chat with your data" experiences over your proprietary content.
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The easiest way to create a service is using the [Azure portal](https://portal.azure.com/), which is covered in this article.
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The easiest way to create a service is using the [Azure portal](https://portal.azure.com/), which is covered in this article.
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You can also use [Azure PowerShell](search-manage-powershell.md#create-or-delete-a-service), [Azure CLI](search-manage-azure-cli.md#create-or-delete-a-service), the [Management REST API](search-manage-rest.md#create-or-update-a-service), an [Azure Resource Manager service template](search-get-started-arm.md), a [Bicep file](search-get-started-bicep.md), or [Terraform](search-get-started-terraform.md).
A few service properties are fixed for the lifetime of the service. Before creating the service, decide on a name, region, and tier.
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A few service properties are fixed for the lifetime of the service. Before creating the service, decide on a name, region, and tier.
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+[Service name](#name-the-service) becomes part of the URL endpoint. The name must be unique and it must conform to naming rules.
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To try Azure AI Search for free, [open a trial subscription](https://azure.microsoft.com/pricing/free-trial/?WT.mc_id=A261C142F) and then create your search service by choosing the **Free** tier. You can have one free search service per Azure subscription. Free search services are intended for short-term evaluation of the product for nonproduction applications. Generally, you can complete all of the quickstarts and most tutorials, except for those featuring semantic ranker (it requires a billable service). Free services that are inactive for an extended period of time can be deleted by Microsoft to make room for other services.
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Alternatively, you can use free credits to try out paid Azure services. With this approach, you can create your search service at **Basic** or higher to get more capacity. Your credit card is never charged unless you explicitly change your settings and ask to be charged. Another approach is to [activate Azure credits in a Visual Studio subscription](https://azure.microsoft.com/pricing/member-offers/msdn-benefits-details/?WT.mc_id=A261C142F). A Visual Studio subscription gives you credits every month you can use for paid Azure services.
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Alternatively, you can use free credits to try out paid Azure services. With this approach, you can create your search service at **Basic** or higher to get more capacity. Your credit card is never charged unless you explicitly change your settings and ask to be charged. Another approach is to [activate Azure credits in a Visual Studio subscription](https://azure.microsoft.com/pricing/member-offers/msdn-benefits-details/?WT.mc_id=A261C142F). A Visual Studio subscription gives you credits every month you can use for paid Azure services.
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## Find the Azure AI Search offering
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## Choose a region
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> [!IMPORTANT]
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> Due to high demand, Azure AI Search is currently unavailable for new instances in some regions.
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> Due to high demand, Azure AI Search is currently unavailable for new instances in some regions.
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If you use multiple Azure services, putting all of them in the same region minimizes or voids bandwidth charges. There are no charges for data egress among same-region services.
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1. Do you need [AI enrichment](cognitive-search-concept-intro.md), [integrated data chunking and vectorization](vector-search-integrated-vectorization.md), or [multimodal image search](search-get-started-portal-image-search.md)? Azure AI Search, Azure OpenAI, and Azure AI multiservice must coexist in the same region.
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+ Start with [Azure OpenAI regions](/azure/ai-services/openai/concepts/models#model-summary-table-and-region-availability) because it has the most variability. Azure OpenAI provides embedding models and chat models for RAG and integrated vectorization.
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+ Start with [Azure OpenAI regions](/azure/ai-services/openai/concepts/models#model-summary-table-and-region-availability) because it has the most variability. Azure OpenAI provides embedding models and chat models for RAG and integrated vectorization.
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+ Check [Azure AI Search regions](search-region-support.md) for a match to your Azure OpenAI region. If you're using OCR, entity recognition, or other skills backed by Azure AI, the **AI Integration** column indicates whether Azure AI multiservice is in the same region as Azure AI Search.
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:::image type="content" source="media/search-create-service-portal/select-pricing-tier.png" lightbox="media/search-create-service-portal/select-pricing-tier.png" alt-text="Screenshot of Select a pricing tier page." border="true":::
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Search services created after April 3, 2024 have larger partitions and higher vector quotas at every billable tier.
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Search services created after April 3, 2024 have larger partitions and higher vector quotas at every billable tier.
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Remember, a pricing tier can't be changed once the service is created. If you need a higher or lower tier, you should re-create the service.
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## Create your service
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After you've provided the necessary inputs, go ahead and create the service.
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After you've provided the necessary inputs, go ahead and create the service.
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:::image type="content" source="media/search-create-service-portal/new-service3.png" lightbox="media/search-create-service-portal/new-service3.png" alt-text="Screenshot of the Review and create the service page." border="true":::
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Unless you're using the portal, programmatic access to your new service requires that you provide the URL endpoint and an authenticated connection. You can use either or both of these options:
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+[Connect using key-based authentication](search-security-api-keys.md)
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+[Connect using Azure roles](search-security-rbac.md)
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+[Connect using Azure roles](search-security-rbac.md)
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1. When setting up a programmatic connection, you need the search service endpoint. On the **Overview** page, locate and copy the URL endpoint on the right side of the page.
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You must have Owner or Contributor permissions on the subscription to request quota.
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Depending on region and datacenter capacity, you can automatically request more quota to add services to your subscription. If the request fails, you should either decrease the number or file a support ticket. For a large increase in quota, such as more than 30 extra services, you should expect a one-month turnaround.
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1. Sign in to the Azure portal, search for "quotas" in your dashboard, and then select the **Quotas** service.
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:::image type="content" source="media/search-create-service-portal/quota-search.png" lightbox="media/search-create-service-portal/quota-search.png" alt-text="Screenshot of the quota search term and Quotas service in the results.":::
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+ Size and speed of partitions (physical storage)
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+ Billable rate as a fixed monthly cost, but also an incremental cost if you add capacity
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In a few instances, the tier you choose determines the availability of [premium features](#premium-features).
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In a few instances, the tier you choose determines the availability of [premium features](#feature-availability-by-tier).
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Billing rates are shown in the portal's **Select Pricing Tier** page. You can check the [pricing page](https://azure.microsoft.com/pricing/details/search/) for regional rates and review [Plan and manage costs](search-sku-manage-costs.md) to learn more about the billing model.
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## Tier descriptions
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Tiers include **Free**, **Basic**, **Standard**, and **Storage Optimized**. Standard and Storage Optimized are available with several configurations and capacities. The following screenshot from Azure portal shows the available tiers, minus pricing (which you can find in the portal and on the [pricing page](https://azure.microsoft.com/pricing/details/search/)).
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Tiers include **Free**, **Basic**, **Standard**, and **Storage Optimized**. Standard and Storage Optimized are available with several configurations and capacities. The following screenshot from Azure portal shows the available tiers, minus pricing (which you can find in the portal and on the [pricing page](https://azure.microsoft.com/pricing/details/search/)).
**Free** creates a [limited search service](search-limits-quotas-capacity.md#subscription-limits) for smaller projects, like running tutorials and code samples. Internally, system resources are shared among multiple subscribers. You can't scale a free service, run significant workloads, and some premium features aren't available. You can only have one free search service per Azure subscription. If the service is inactive for an extended period of time, it might be deleted to free up capacity, especially if the region is under capacity constraints.
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The most commonly used billable tiers include:
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+**Basic** has the ability to meet SLA with its support for three replicas.
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+**Basic** has the ability to meet SLA with its support for three replicas.
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+**Standard (S1, S2, S3)** is the default. It gives you more flexibility in scaling for workloads. You can scale both partitions and replicas. With dedicated resources under your control, you can deploy larger projects, optimize performance, and increase capacity.
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Some tiers are designed for certain types of work:
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+**Standard 3 High Density (S3 HD)** is a *hosting mode* for S3, where the underlying hardware is optimized for a large number of smaller indexes and is intended for multitenancy scenarios. S3 HD has the same per-unit charge as S3, but the hardware is optimized for fast file reads on a large number of smaller indexes.
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+**Storage Optimized (L1, L2)** tiers offer larger storage capacity at a lower price per TB than the Standard tiers. These tiers are designed for large indexes that don't change very often. The primary tradeoff is higher query latency, which you should validate for your specific application requirements.
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+**Storage Optimized (L1, L2)** tiers offer larger storage capacity at a lower price per TB than the Standard tiers. These tiers are designed for large indexes that don't change very often. The primary tradeoff is higher query latency, which you should validate for your specific application requirements.
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You can find out more about the various tiers on the [pricing page](https://azure.microsoft.com/pricing/details/search/), in the [Service limits in Azure AI Search](search-limits-quotas-capacity.md) article, and on the portal page when you're provisioning a service.
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| West Europe | All tiers |
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| West US 3| All tiers |
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<aname="premium-features"></a>
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## Feature availability by tier
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Most features are available on all tiers, including the free tier. In a few cases, the tier determines the availability of a feature. The following table describes the constraints.
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|[Managed or trusted identities for outbound (indexer) access](search-howto-managed-identities-data-sources.md)| Not available on the Free tier.|
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|[Customer-managed encryption keys](search-security-manage-encryption-keys.md)| Not available on the Free tier. |
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|[IP firewall access](service-configure-firewall.md)| Not available on the Free tier. |
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|[Private endpoint (integration with Azure Private Link)](service-create-private-endpoint.md)| For inbound connections to a search service, not available on the Free tier. <br>For outbound connections by indexers to other Azure resources, not available on Free or S3 HD. <br>For indexers that use skillsets, not available on Free, Basic, S1, or S3 HD.|
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|[Private endpoint (integration with Azure Private Link)](service-create-private-endpoint.md)| For inbound connections to a search service, not available on the Free tier. <br>For outbound connections by indexers to other Azure resources, not available on Free or S3 HD. <br>For indexers that use skillsets, not available on Free, Basic, S1, or S3 HD.|
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|[Availability Zones](search-reliability.md)| Not available on the Free or Basic tier. |
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|[Semantic ranker](semantic-search-overview.md)| Not available on the Free tier. |
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Resource-intensive features might not work well unless you give it sufficient capacity. For example, [AI enrichment](cognitive-search-concept-intro.md) has long-running skills that time out on a Free service unless the dataset is small.
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## Upper limits
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Tiers determine the maximum storage of the service itself, plus the maximum number of indexes, indexers, data sources, skillsets, and synonym maps that you can create. For a full break out of all limits, see [Service limits in Azure AI Search](search-limits-quotas-capacity.md).
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Tiers determine the maximum storage of the service itself, plus the maximum number of indexes, indexers, data sources, skillsets, and synonym maps that you can create. For a full break out of all limits, see [Service limits in Azure AI Search](search-limits-quotas-capacity.md).
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