Administrator Mode for Identity Center does not work

The issue you're experiencing with the administrator mode not loading in IAM Identity Center could be due to a few potential reasons:

1. Permissions: Ensure that you have the necessary permissions to access the administrator mode. Even if you're logged in as an administrator, there might be specific permissions required for this feature.

2. Browser issues: Try clearing your browser cache and cookies, or use a different browser to rule out any browser-specific problems.

3. Network connectivity: Check your network connection, as slow or unstable internet could cause loading issues.

4. Service issues: There might be temporary AWS service issues affecting IAM Identity Center. You can check the AWS Service Health Dashboard to see if there are any reported problems.

5. JavaScript errors: There could be JavaScript errors preventing the page from loading correctly. You can check the browser's developer console for any error messages that might provide more insight.

6. Cross-Origin Resource Sharing (CORS) issues: Sometimes, CORS settings can interfere with loading certain components of the AWS console.

7. Account instance vs. Organization instance: If you're using an account-level instance of IAM Identity Center instead of an organization-level instance, some features might be limited or unavailable.

If the problem persists after trying these troubleshooting steps, it would be advisable to contact AWS Support for further assistance. They can provide more specific guidance based on your account configuration and any potential service-related issues.
Sources
Viewing any specific IAM entry as administrator shows "Unexpected error" / "Network Failure" | AWS re:Post
Cannot add permissions in IAM Identity Center | AWS re:Post

First, could you confirm a few things about your setup:

Which browser and version are you currently using?Are you accessing this through a corporate network or VPN? Can you access other Identity Center administrative features successfully?

Here are the most effective troubleshooting steps you can try:

Try accessing through Chrome incognito mode (this often resolves cache-related issues)

Clear browser cache and cookies, then perform a complete AWS Console logout/login

Verify network stability and latency to AWS endpoints

If those don't resolve the issue, you should verify:

1. IAM permissions - ensure you have the necessary permissions including: sso:ListInstances sso:GetPermissionSet
2. Browser Developer Tools - we can check for specific errors in the console