Configure HTTPs Site Server: Invalid certificate response received from server

Products

• IT Management Suite

Issue/Introduction

You are getting the following error message in the agent logs on your Site Server:

Configure HTTPs Site Server: Invalid certificate response received from server
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Date: 10/5/2021 1:08:42 PM, Tick Count: 9098921 (02:31:38.9210000), Size: 311 B
Process: AeXNSAgent.exe (3928), Thread ID: 2772, Module: AeXNSAgent.exe
Priority: 1, Source: ConfigServer

You checked IIS manager on the package server and found that Port 443 was not bound; you too found that you could not install the certificate.

Environment

ITMS 8.6 and later

Resolution

Try the following:

1. Remove the NBS, Package, and Task services from the problem Site Server,
2. Uninstall IIS, and the Symantec Management Agent (SMA),
3. Restart the server,
4. Reinstall the SMA, IIS, and the roles and features that are needed.
5. After that, reboot the Site Server and install the NBS, Package, and Task services.