Installation FAQ

Do I have to download and install Gemini?

No. You can use our cloud service, where we host your instance. You pay a monthly fee and can cancel at any time, or a discounted annual fee, but you cannot then cancel until the end of the term. Please get in touch with sales@countersoft.com for details on annual discounts, as volume discounts apply.

Can I Host Gemini on Windows Azure?

Follow these instructions to install Gemini on Windows Azure.

Which OS does Gemini support?

You can install and use Gemini on Windows operating systems:

  • Windows 11
  • Windows Server 2019 to Windows Server 2025

Which database systems does Gemini support?

You can use Gemini with the following database systems:

  • Microsoft SQL Server 2016 to Microsoft SQL Server 2022

Does Gemini require Microsoft.NET?

Please follow the prerequisites link below for the version of Microsoft .Net that is required.

Using IIS 6

IIS 7 or above is strongly recommended. The following steps will need to be followed if you are installing Gemini on a server that is running IIS 6.

  1. Right-click on the website or application in IIS and select Properties.
  2. Using the Virtual Directory tab (Home Directory for some versions of IIS) click on the configuration button at the bottom of the menu.
  3. From the Mappings tab, select the .aspx extension and click 'edit'.
  4. Copy the full executable path (should be the aspnet_isapi.dll).
  5. Go back to the Mappings tab and select .mvc and click edit (or add if it does not exist)
  6. Paste the path to the aspnet_isapi.dll in the window. Verbs should be at least 'get, post, head, debug', and make sure 'verify that file exists' is unchecked and click OK.
  7. Go back to the mapping screen and 'Insert a Wildcard Application Map' (.*), Paste the aspnet_isapi.dll in the same path and uncheck 'verify that file exists'. Once done, click OK.

Gemini & Windows Authentication

Gemini does not need Azure AD for Windows Authentication. It has an Azure AD integration to add and delete users, but Gemini authenticates through IIS with Windows, not AD.

For deployment scenarios where Windows Authentication is required, ensure the IIS Application Pool assigned to the Gemini instance is using the Network Service account. For further information regarding the configuration of Gemini to use Windows Authentication, please click here.

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