# Prerequisites

#### Connection to a SQL server

* SQL Server name, in the format, **\<IP Address of the SQL Server>/\<Instance name>**
* SQL authenticated user credential
* Name of the VConnect database
* VConnect Database must be created prior to the deployment and it must be accessible from Azure Stack tenant network

#### Tenant Subscription

* ID of the Tenant Subscription where Cloud Assert components need to be deployed
* Tenant Subscription administrator account credentials
* A tenant subscription created from an Azure Stack Offer/Plan that includes Microsoft Compute, Storage and Network services with default quotas added
* Upon creating the tenant subscription, the Microsoft Compute, Storage and Network services need to be registered from the **Subscription > Resource Providers** blade in the Tenant portal

#### Certificate

* For integrated systems (i.e. multi-node), a .pfx certificate is required.  Refer to [PKI Certificate Requirements](/azure-stack-vconnect/installation/prerequisites/csr.md) for more details.
* For ASDK, certificate is generated as a part of the deployment.  Password for the .pfx certificate should not contain the following characters: ``^ ` ~ & % *``

#### Others

* Download **the Windows 2016 Datacenter** image from the marketplace through the Marketplace Management blade in the Admin portal
* Netbios name of the Azure Stack domain (On ASDK, the default is AzureStack)
* Azure Stack service Admin account credentials (Azure AD account)
  * Ensure if the service Admin account has **"Global Administrator"** role (Password should not contain the following characters ^ \` \~ & % \*)
* Azure Stack cloud administrator credential for Privileged endpoint access E.g., **\<Azure Stack domain>\cloudadmin** (Password should not contain the following characters ^ \` \~ & % \*)
* Install Azure PowerShell version with respect to Azure Stack Version ([Azure PowerShell](https://docs.microsoft.com/en-us/azure-stack/operator/azure-stack-powershell-install))
  * Azure Stack Hub 2002 - <https://docs.microsoft.com/en-us/azure-stack/operator/azure-stack-powershell-install?view=azs-2002>
  * Azure Stack Hub 1910 - <https://docs.microsoft.com/en-us/azure-stack/operator/azure-stack-powershell-install?view=azs-1910>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.cloudassert.com/azure-stack-vconnect/installation/prerequisites.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.