Endpoint Encryption Web Console Showing Blank Page or HTTP Error

Products

• Endpoint Encryption

Issue/Introduction

The Symantec Endpoint Encryption (SEE) Web Console shows a blank page or displays HTTP Error 404.7 - Not Found when trying to access the website using a web browser.

TIP: For general troubleshooting with SEE Communication and SEE Client Creation issues, see the following article: 

https://knowledge.broadcom.com/external/article?articleId=155127 

Blank Page

 

Error Page

HTTP Error 404.7 - Not Found: The request filtering module is configured to deny the file extension.

Module: RequestFilteringModule

Notification: BeginRequest

Handler: ExtensionlessUrlHandler-Integrated-4.0

Physical Path: C:\Program Files (x86)\Symantec\Symantec Endpoint Encryption Management Server\CommunicationWS\WebConsole

Cause

The Internet Information Services (IIS) Manager is set to disallow required file name extensions for the Endpoint Encryption Services website.

Resolution

There are two solutions to this problem. Both methods require the user perform the following steps:

1. On the Symantec Endpoint Encryption Management Server (SEEMS), open the Internet Information Services (IIS) Manager
   
   
   
   
    
2. In the "Connections" pane on the left, click the arrows to navigate to the following location Server Name > Sites > Symantec Endpoint Encryption Services > WebConsole
3. Ensure WebConsole is highlighted in the left pane
4. Double click on Request Filtering in the middle pane
   
   

The following steps are specific to each method.

Method 1

1. Click Edit Feature Settings... in the right pane
2. Check Allow unlisted file name extensions
3. Click OK
   
   

 

 

Method 2

1. Ensure you are on the Request Filtering screen and are on the File Name Extensions tab
2. Right click in the white space within the File Name Extensions page
   
   
   
    
3. Select Allow File Name Extensions...
4. In the dialog box that appears, enter a single period
   
   
   
   
    
5. Click OK
6. Repeat steps 2-5, replacing the period with .asmx
   
   
   
   
    
7. Repeat steps 2-5, replacing the period with .css
8. Repeat steps 2-5, replacing the period with .html
9. Repeat steps 2-5, replacing the period with .js
10. Repeat steps 2-5, replacing the period with .json
11. Repeat steps 2-5, replacing the period with .map
12. Ensure the File Name Extensions tab includes all of the rules from the previous steps
    
    
    
     

 

After completing one of the above methods above, refresh the WebConsole page on the web browser to see the functioning website.