Windows security event id 644

Event Viewer automatically tries to resolve SIDs and show the account name. If the SID cannot be resolved, you will see the source data in the event. Important For this event, also see Appendix A: Security monitoring recommendations for many audit events. However, be aware that even if the computer is not in your domain you will get the computer name instead of an IP address in the event. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode.

Account Lockout and Management Tool. Also Netwrix has got good tool to find out account lockout. But in yestderdat logs,. Office Office Exchange Server. Not an IT pro? Windows Server TechCenter. Sign in. United States English. Ask a question. The service will continue enforcing the current policy.

The Windows Firewall Service was unable to parse the new security policy. The service will continue with currently enforced policy.

The Windows Firewall Service failed to initialize the driver. The service will continue to enforce the current policy. Code integrity determined that the image hash of a file is not valid. The file could be corrupt due to unauthorized modification or the invalid hash could indicate a potential disk device error. IPsec Services failed to get the complete list of network interfaces on the computer.

This poses a potential security risk because some of the network interfaces may not get the protection provided by the applied IPsec filters. Use the IP Security Monitor snap-in to diagnose the problem.

IPsec Services has experienced a critical failure and has been shut down. The shutdown of IPsec Services can put the computer at greater risk of network attack or expose the computer to potential security risks. IPsec Services failed to process some IPsec filters on a plug-and-play event for network interfaces.

Network Policy Server granted access to a user but put it on probation because the host did not meet the defined health policy.

Network Policy Server granted full access to a user because the host met the defined health policy. If failures continue, decrypt volume.

Internal resources allocated for the queuing of audit messages have been exhausted, leading to the loss of some audits. An IPsec Main Mode security association was established.

Extended Mode was not enabled. Certificate authentication was not used. A certificate was used for authentication. A rule has been ignored because its major version number was not recognized by Windows Firewall. Parts of a rule have been ignored because its minor version number was not recognized by Windows Firewall.

The other parts of the rule will be enforced. Windows Firewall did not apply the following rule because the rule referred to items not configured on this computer:.

The Windows Firewall Service blocked an application from accepting incoming connections on the network. Windows Firewall was unable to notify the user that it blocked an application from accepting incoming connections on the network.