Vault: Resolving 500 – Internal Server Error

May 11, 2026 Kenneth Willingham

Applies to:
Vault

Issue:
After switching from HTTP to HTTPS users started receiving 500 – Internal Server Error.

Causes:
HTTP working without issues, after configuring an SSL certificate on the server and updating the network settings in the ADMS Console users began receiving 500 – Internal Server Error.

Solution:
After switching from HTTP to HTTPS users started receiving 500 – Internal Server Error when select to view the file.
 
1.    Selecting the View tab produces a 500 – Internal Server Error in the Vault Client.

2.    Viewing area is blank in the Vault Thin Client.
3.    Selecting View.
 
4.    Presents Error: Could not find a part of the path is presented, select OK to accept.
 
5.    View interface produces a 500 – Internal Server Error in the Vault Thin Client.

6.    Open File Explorer and navigate to C:\Program Files\Autodesk\Vault Server 2026\Server\Web\Services.
7.    Open the web.config to verify the following is set correctly.
 
8.    Search for highlighted line by searching for <add name="ExtensionlessUrlHandler-Integrated-4.0".
9.    The path must be set to path="*.", if not users will receive the error.

Once path is corrected the 500 – Internal Server Error will be resolved.

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