VMware Workstation

Vmware Horizon Client The Certificate Authority Is Invalid Or Incorrect

In today's digital age, securing data and maintaining a safe online environment are top priorities for businesses and individuals alike. However, when using Vmware Horizon Client, encountering an error message stating that the certificate authority is invalid or incorrect can be a significant cause for concern.

When the certificate authority is invalid or incorrect in Vmware Horizon Client, it means that the client is unable to verify the authenticity of the server's identity. This could potentially expose users to security risks, such as unauthorized access or the interception of sensitive information. It is crucial to address and resolve this issue promptly to ensure the protection of data and maintain a secure computing environment.



Vmware Horizon Client The Certificate Authority Is Invalid Or Incorrect

Understanding the Invalid or Incorrect Certificate Authority Error in Vmware Horizon Client

The Vmware Horizon Client is a powerful tool that allows users to access virtual desktops and applications through a centralized platform. However, there are instances where users may encounter errors, such as the "Certificate Authority is Invalid or Incorrect" error. This error occurs when the certificate authority that verifies the authenticity of the SSL certificate used by the Vmware Horizon Client is flagged as invalid or incorrect. This article will delve into the possible causes of this error and provide solutions to resolve it.

Causes of the Invalid or Incorrect Certificate Authority Error

1. Expired SSL Certificate

One possible cause of the "Certificate Authority is Invalid or Incorrect" error is an expired SSL certificate. SSL certificates have a validity period, typically ranging from one to three years. After the expiration date, the certificate is no longer valid, and any attempt to establish a secure connection with the Vmware Horizon Client will result in this error message. It is crucial to regularly check and renew SSL certificates to avoid this issue.

To resolve this error, the system administrator or certificate authority responsible for managing SSL certificates needs to generate and install a new and valid SSL certificate. Additionally, it is essential to ensure that the system clock on the server hosting the Vmware Horizon Client is accurate. Incorrect system time can also trigger certificate errors.

Regularly checking the SSL certificate's expiration date and performing timely renewals is crucial to avoid disruption in the Vmware Horizon Client's functionality and prevent the "Certificate Authority is Invalid or Incorrect" error from occurring.

2. Misconfigured Certificate Authority

Another possible cause of the "Certificate Authority is Invalid or Incorrect" error is a misconfigured certificate authority. This means that the certificate authority responsible for issuing SSL certificates for the Vmware Horizon Client is not correctly set up or has errors in its configuration. These misconfigurations can include wrong certificate paths, incorrect trust chains, or outdated certificate records.

To resolve this error, the system administrator or responsible certificate authority needs to review the configuration of the certificate authority and ensure that all settings are accurate. This may involve checking and updating certificate paths, verifying trust chains, and removing any outdated or incorrect certificate records. Proper configuration of the certificate authority will help establish the authenticity of the SSL certificate and eliminate the "Certificate Authority is Invalid or Incorrect" error.

Regular audits and reviews of the certificate authority's configuration can prevent misconfigurations and ensure the smooth functioning of the Vmware Horizon Client without encountering this error.

3. Untrusted Certificate Authority

In some cases, the "Certificate Authority is Invalid or Incorrect" error occurs because the certificate authority responsible for issuing the SSL certificate is not trusted by the system or client accessing the Vmware Horizon Client. Trust issues may arise if the certificate authority is not included in the trusted certificate authorities' list or if the certificate's root or intermediate certificate is missing or incorrectly configured.

To resolve this error, it is necessary to ensure that the certificate authority responsible for issuing the SSL certificate is trusted by the system or client accessing the Vmware Horizon Client. This involves verifying the integrity of the root and intermediate certificates used by the certificate authority and ensuring they are correctly installed and configured on the client system.

Regularly updating the trusted certificate authorities list on the client system and ensuring the proper installation and configuration of the necessary root and intermediate certificates will help establish trust and eliminate the "Certificate Authority is Invalid or Incorrect" error.

4. Network Interference or Firewall Restrictions

The "Certificate Authority is Invalid or Incorrect" error can also be caused by network interference or firewall restrictions that prevent the Vmware Horizon Client from establishing a secure connection with the server. This interference can result in the SSL certificate not being properly validated, leading to the error message.

To resolve this error, it is crucial to ensure that the network infrastructure and firewall settings allow for secure connections and proper certificate validation. Reviewing firewall rules, checking network configurations, and consulting with network administrators can help identify and resolve any network interference or firewall restrictions causing the error.

Regular network infrastructure maintenance and periodic reviews of firewall settings can help prevent network interference-related certificate errors in the Vmware Horizon Client.

Troubleshooting the Invalid or Incorrect Certificate Authority Error

If you encounter the "Certificate Authority is Invalid or Incorrect" error in Vmware Horizon Client, here are some troubleshooting steps to resolve the issue:

  • Check the SSL certificate's expiration date and renew it if necessary.
  • Ensure the system clock on the server hosting the Vmware Horizon Client is accurate.
  • Review and correct any misconfigurations in the certificate authority responsible for issuing SSL certificates.
  • Verify the trustworthiness of the certificate authority and ensure the necessary root and intermediate certificates are installed and configured correctly.
  • Review firewall settings and network configurations to ensure they allow for secure connections and proper certificate validation.

Another Dimension of the Invalid or Incorrect Certificate Authority Error

While we have covered some common causes and troubleshooting steps for the "Certificate Authority is Invalid or Incorrect" error in Vmware Horizon Client, it is essential to note that individual system configurations and network environments can introduce unique challenges and variations of this error. It is always recommended to consult with the appropriate system administrators, certificate authorities, and network professionals to address specific issues and ensure the secure and smooth operation of the Vmware Horizon Client.


Vmware Horizon Client The Certificate Authority Is Invalid Or Incorrect

Common Causes of Invalid or Incorrect Certificate Authority in Vmware Horizon Client

If you encounter the error message "Certificate Authority Is Invalid or Incorrect" while using Vmware Horizon Client, there are several potential causes that you should investigate:

  • Expired or Revoked Certificate: Ensure that the certificate used by the Certificate Authority (CA) is valid and has not expired or been revoked.
  • Incorrectly Configured Certificate Chain: Verify that the entire certificate chain is correctly configured, including the root certificate, intermediate certificates, and the certificate for the Horizon Connection Server.
  • Mismatched Certificate Common Name: Check if the common name (CN) field in the certificate matches the hostname or IP address of the Horizon Connection Server.
  • Firewall or Proxy Configuration: Ensure that there are no firewall rules or proxy configurations preventing the Vmware Horizon Client from establishing a secure connection with the Horizon Connection Server.

To resolve the issue, you may need to renew or reissue the certificate, verify the certificate chain, update the common name, or modify the firewall/proxy settings. It is recommended to consult with your system administrator or Vmware support for further assistance in troubleshooting and resolving the "Certificate Authority Is Invalid or Incorrect" error.


Vmware Horizon Client: The Certificate Authority Is Invalid or Incorrect - Key Takeaways

  • When encountering the "Certificate Authority Is Invalid or Incorrect" error in Vmware Horizon Client, it means that the certificate presented by the server does not match the trusted certificates on the client machine.
  • This error usually occurs when the certificate used by the server is not issued by a trusted Certificate Authority (CA).
  • One solution to resolve this issue is to import the root certificate of the CA that issued the server certificate into the Trusted Root Certification Authorities store on the client machine.
  • If the CA is not trusted by default by the operating system, additional steps may be required to import the CA's intermediate certificates.
  • Verifying the certificate chain and ensuring that the server certificate is properly installed and trusted can help resolve this error.

Frequently Asked Questions

Here are some common questions and answers related to the issue of the VMware Horizon Client displaying an "Invalid or Incorrect Certificate Authority" error. If you are experiencing this issue, the following information may help you troubleshoot and resolve it.

1. Why am I seeing the "Invalid or Incorrect Certificate Authority" error when using the VMware Horizon Client?

The "Invalid or Incorrect Certificate Authority" error usually occurs when the VMware Horizon Client is unable to validate the SSL certificate presented by the server. This can happen if the certificate is self-signed or issued by a Certificate Authority (CA) that is not trusted by the client system. It can also occur if the system clock on the client or server is incorrect.

To establish a secure connection, the VMware Horizon Client verifies the authenticity of the SSL certificate by checking its chain of trust. If the certificate cannot be verified, the client displays the "Invalid or Incorrect Certificate Authority" error to alert the user.

2. How can I resolve the "Invalid or Incorrect Certificate Authority" error?

There are a few steps you can take to resolve the "Invalid or Incorrect Certificate Authority" error:

1. Check the system clock on both the client and server machines. Make sure they are synchronized to the correct time and time zone.

2. Ensure that the SSL certificate presented by the server is valid and issued by a trusted Certificate Authority (CA). If it is a self-signed certificate, you may need to manually add it to the trusted certificates store on the client machine.

3. Verify that the client system's trust store contains the necessary root and intermediate certificates for the Certificate Authority (CA) that issued the server's SSL certificate. If any of these certificates are missing or outdated, the client may fail to validate the certificate and display the error.

By following these steps, you should be able to resolve the "Invalid or Incorrect Certificate Authority" error and establish a successful connection with the VMware Horizon Client.

3. Can I bypass the "Invalid or Incorrect Certificate Authority" error and still connect to the VMware Horizon Client?

While it is possible to bypass the "Invalid or Incorrect Certificate Authority" error, it is generally not recommended. SSL certificate validation is an important security measure, as it helps ensure that the server you are connecting to is legitimate and not impersonating another entity.

If you choose to bypass the error, you may be putting your data and privacy at risk. It is best to follow the recommended steps to resolve the error and establish a secure connection with the VMware Horizon Client.

4. I have verified the SSL certificate and fixed the system clock, but I'm still seeing the error. What else can I do?

If you have followed the recommended steps and are still experiencing the "Invalid or Incorrect Certificate Authority" error, there may be other factors causing the issue. Here are a few additional troubleshooting steps you can take:

1. Clear the cache and cookies of the VMware Horizon Client. Sometimes, stored data can interfere with the certificate validation process.

2. Update the VMware Horizon Client to the latest version. Software updates often include bug fixes and improvements that can help resolve such issues.

3. Contact your system administrator or IT support for further assistance. They may be able to provide additional guidance or troubleshoot the issue from the server-side.

5. Can I prevent the "Invalid or Incorrect Certificate Authority" error from occurring in the future?

To minimize the chances of encountering the "Invalid or Incorrect Certificate Authority" error in the future, you can take these preventive measures:

1. Ensure that SSL certificates used


In summary, if you encounter the "Vmware Horizon Client the Certificate Authority Is Invalid or Incorrect" error, there are a few key steps you can take to resolve the issue. First, ensure that the system clock on your computer is synchronized correctly. This can help address any certificate validation issues. Additionally, you can check if the certificate used by the server is still valid and has not expired. If it has expired, you may need to obtain a new certificate or contact the server administrator for assistance.

Another potential solution is to update your Vmware Horizon Client to the latest version, as newer versions often include bug fixes and security updates. Additionally, you can try reinstalling the client or repairing the installation to address any potential issues with the client software itself. If none of these steps resolve the issue, it may be necessary to reach out to Vmware support or consult the Vmware community for further assistance.


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