Error: "Update Failed" When Saving Rapid Configs - WebDav Enabled

Products

• Carbon Black App Control

Issue/Introduction

• When saving a Rapid Config the error "Update Failed" is received.
• HTTP 404 errors seen in phperrors.log

  [19-Jan-2026 09:54:03 GMT] API Error from page 415: PUT <HostName>/api/bit9platform/restricted/rapidConfigInternal/114 with params {<RapidConfigParameters>} returned http code 404 and result  in 0.0052969455718994 seconds

• IIS has the WebDAV module installed

Environment

• App Control Console: All Supported Versions

Cause

WebDAV is not supported by the App Control console

Resolution

1. Log in to the application server hosting the Console as the Carbon Black Service Account.
2. Launch IIS Manager
   1. Navigate to: SERVERNAME > Sites > Parity Console Web
      1. From the middle pane > IIS > Handler Mappings
      2. Click into "ExtensionUrlHandler-ISAPI-4.0_32bit" > Request Restrictions > Verbs tab
      3. Add PUT,DELETE
         
      4. Repeat for "ExtensionUrlHandler-ISAPI-4.0_32bit"
   2. Navigate to: SERVERNAME > Sites > Parity Console Web > API
      1. From the middle pane > IIS > Handler Mappings
      2. Click into "ExtensionUrlHandler-ISAPI-4.0_32bit" > Request Restrictions > Verbs tab
      3. Add PUT,DELETE
      4. Repeat for "ExtensionUrlHandler-ISAPI-4.0_32bit"
3. Use an administrative command prompt to issue the command 'iisreset'