Receiving a similar message when installing Vault Server.

"Vault Basic 2026

Install error: Vault Server Pre-requisite

The install couldn't finish. Error -2146498548
Search for a solution"

Vault Basic Install error - The install couldn't finish. Error -2146498548 Search for a solution"

Note: The error code could be different.

It could be due to different causes:

Windows Server cannot add the IIS feature.
The computer/Server does not meet System Requirement for Vault (Example: Windows Home is installed)

Try one of the following:

Verify that your computer/ Server meets the Requirement for Vault.

Vault Products;