In this article  :

• Issue description

• Prerequisites

• Possible causes

• Resolution

• How to reach support

• Related topics and articles

 Issue description     

When attempting to enable or configure HTTPS access in ADAudit Plus, users may encounter the following error message:

SSL certificate Error: An unexpected error occurred. Please contact support@adauditplus.com

This error typically appears when importing or applying an SSL certificate within the ADAudit Plus web interface or while accessing the application over HTTPS.
It indicates that ADAudit Plus was unable to process the SSL certificate correctly due to a configuration issue or an invalid certificate binding.

 Prerequisites   

Before proceeding with troubleshooting or configuration, ensure the following prerequisites are met:

• You have administrative access to the ADAudit Plus web console.

• You have access to the ADAudit Plus installation directory and Windows MMC.

• The ADAudit Plus service is running and accessible.

• You possess a valid SSL certificate (self-signed or CA-signed) that includes a private key.

• If you’re using a third-party SSL certificate, confirm that the certificate chain (including the Root CA and Intermediate certificates) is complete.

 Possible causes     

• Missing private key: The imported certificate does not have a private key associated with it. ADAudit Plus requires the private key to establish a secure SSL connection.

• Subject Alternative Name (SAN) not configured: The SAN field was not included during certificate creation. Modern browsers and SSL validation mechanisms require SAN to identify the hostname used for SSL binding.

• Incomplete certificate chain: The root or intermediate CA certificates are not imported, causing the SSL verification process to fail.

• Incorrect certificate format: The uploaded SSL certificate file (e.g., .CRT, .CER, .PFX) might be incompatible or missing required components.

 Resolution   

 Step 1: Verify the certificate   

1. Open MMC (press Windows + R, type mmc, and press Enter).

2. Go to File > Add/Remove Snap-in.

3. Select Certificates and click Add > choose Computer account > Local Computer > Finish.

4. Locate your SSL certificate under Personal > Certificates.

5. Check if the certificate has a private key (you’ll see a key icon next to the certificate).

• If no private key is present, regenerate or re-import the certificate with its private key.

 Step 2: Ensure SAN configuration   

• While generating the SSL certificate, include the Subject Alternative Name (SAN) field with the appropriate DNS name or IP address of the ADAudit Plus server.

• If you’re using a third-party CA, request the vendor to regenerate the certificate with SAN and include the private key.

 Step 3: Import the correct certificate format   

• Export the working SSL certificate from MMC as a .PFX file including the private key.

• In the ADAudit Plus web console, navigate to:
  Admin > Security Settings > Import SSL Certificate.

• Upload the exported .PFX file along with the password.

 Step 4: Restart ADAudit Plus   

• Once the certificate is imported successfully, restart the ADAudit Plus service:

1. Open Run (Windows + R) > type services.msc > press Enter.

2. Locate ManageEngine ADAudit Plus service.

3. Right-click and select Restart.

• After restarting, try accessing ADAudit Plus using the HTTPS URL.

 Related topics and articles   

• How to Enable SSL Automatically in ADAudit Plus

 How to reach support