Hi there! I see you're having trouble with the Ivanti Secure Access Client being unable to communicate with the server. To better assist you, could you tell me a bit more about what exactly happens? For example:

- Are you seeing any specific error messages?
- Did the connection work before and recently stop?
- Have you tried restarting the client or your device?
- Are you on a corporate or home network?
- Is this happening on just your device or multiple devices?

This will help me narrow down the possible causes.

Meanwhile, here are some common steps to try for connection issues:

1. Check Ivanti Secure Access Client Service
Ensure that the client service is running. You can do this by:
- Pressing Win + R, type services.msc and hit Enter.
- Find "Ivanti Secure Access Client" in the list.
- If it’s not running, right-click and select "Start."
- Optionally, set the startup type to "Automatic" so it starts with Windows.

2. Restart the Client Connection
Sometimes just disconnecting and reconnecting resolves temporary network glitches.

3. Network and Firewall Checks
Verify the network you are using allows the VPN connection through. Some corporate setups require specific ports open or have firewall rules that could block access.

4. Check for Software or Server Version Compatibility
If the client or server recently updated, older clients might have issues connecting to newer servers or vice versa. Updating your client to the latest version can help.

If none of those work, a few other areas to check include certificate problems or misconfigurations on the server side. Some errors arise due to issues with certificates or authentication settings.

Let me know what you've tried already and any error messages you see, and we can dig deeper!

Are you satisfied with this starting point?