How to Configure and Collect Schannel and CAPI2 Logs

introduction

CAPI2 logs are diagnostic logs in Windows that track cryptographic operations. They track events related to certificate validation, key exchange, and how Windows and applications use cryptographic algorithms to protect data. This is important for diagnosing problems with SSL/TLS, digital signatures, and other cryptographic processes. CAPI2 logs are particularly useful for diagnosing security-related issues on Windows systems. When troubleshooting issues related to cryptographic operations on Windows, you may need to enable and collect logs for Schannel and CAPI2. This article will help you configure and collect these logs for diagnostic purposes.

Chanel Logging

Before enabling CAPI2 logs, you must configure Schannel logging. Schannel is responsible for handling encryption and certificate-based authentication on Windows systems. To enable Schannel logging, follow these steps:

• open Registry Editor.
• Go to Run Type Reg EditThen click great.
• Take backup Go to your registry. file -> Send out Select a location and backup name and click. getPlease see the Warning section before making any changes to the registry.
• Locate the following key in the registry:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\SecurityProviders\SCHANNEL

warning

If you modify the registry incorrectly, either by using Registry Editor or by using another method, serious problems can occur. These problems may require you to reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modifying the registry is at your own risk.

CAPI2 Log

To enable CAPI2 logging, follow these steps:

• open Event Viewer (Press Win + R, type eventvwr, and then press Enter).
• Go to Application and Service Logs -> Microsoft -> Windows -> CAPI2 -> operate
• now Right click the mouse and Clear log Delete all existing logs (if any).

• To enable logging Right click the mouse Select again Activate log.
• Reproduce the problem.
• To disable CAPI2 logging: Right click the mouse And choose Disable log.

conclusion

Following these steps will allow you to configure and collect Schannel and CAPI2 logs for encryption troubleshooting. After troubleshooting, don’t forget to disable Schannel and CAPI2 logging to avoid unnecessary logs being generated. These logs will help you diagnose and troubleshoot SSL, TLS, and other encryption-related issues. If you would like us to do this for you, please contact us with your case and we will handle it for you.