403 IP Address Blocked
This article provides a resolution for the "Hub connection failed" error due to an IP address being blocked after multiple login failures.
Agent Does Not Run on RHEL 8 or 9
Resolving an issue where the Netwrix Change Tracker agent cannot start on RHEL 8 or 9 due to default cryptographic policy changes, by applying a custom subpolicy.
AgentTaskRunner ProcessTracker Error
This article explains how to resolve the "AgentTaskRunner - task execution failed for task 11 - TrackerPollTask-Baseline-processtracker-88" error in the Rolling Log by adjusting the policy template in Netwrix Change Tracker.
Certificate Thumbprint Mismatch
This article addresses the error related to the certificate thumbprint mismatch in the Netwrix Agent and provides a resolution to ensure proper reporting to the Hub Server.
Fixing the "Check Log for Details" Message
Shows how to resolve the "Check Log for Details" message by verifying and reinstalling the NNTInfo driver and explains kernel buffer limitations that can cause intermittent loss of "who made the change" information.
Compliance Reports Stuck in Processing
If compliance reports in Netwrix Change Tracker show Status as Processing with a percentage that never reaches 100%, an IIS request-filtering tool such as UrlScan may be blocking the Transfer-Encoding header. This article explains the cause and the fix.
ConfigurationLoader Error - Hub Location Details Have Not Been Specified
Explains how to resolve the "Hub location details have not been specified" error when an agent cannot find HubDetails.xml, including running the connection script and manually editing HubDetails.xml.
Determining If the Default Agent Password Is in Use
Use the UI indicators and provided scripts to determine whether the default agent account password is in use on the Netwrix Change Tracker Hub. Includes PowerShell and Bash scripts for versions prior to 7.7.4 and guidance for versions 7.7.4 and later.
DeviceConfigTask Wildcards PathMatch Error
Explains the cause and resolution for a Rolling-Log error where AgentTaskRunner fails due to a mismatched path-match type in a policy template in Netwrix Change Tracker.
Duplicate Events in Syslogs
Explains why old or duplicate events appear as new in syslogs and shows how to remove pending notifications from MongoDB to prevent re-reporting of outdated events in Netwrix Change Tracker.
Error: API Metadata Page Returns 404
Fixes a 404 error when accessing the Netwrix Change Tracker API Metadata page by enabling the plugins.metadataenabled key in appSettings.config.
Error 503 — Unable to Access Login Screen
Resolving Error 503 when the Netwrix Change Tracker login screen is unavailable due to the web application pool not running or incorrect application pool identity credentials.
Error: Hub Connection Failed (500 Server Message)
When an agent with the same name as an already registered agent attempts to connect to Netwrix Change Tracker, the hub can return a 500 error indicating the requested agent name is in use. This article explains how to resolve the error on Windows and RHEL/CentOS by restoring the correct agent ID and editing HubDetails.xml.
Event Counts Summary Size Error
Resolving the "Error, the requested event counts summary size cannot be smaller than the system event count window size" message in Netwrix Change Tracker by correcting the EventStatsUnitSeconds configuration value.
File Entry Not Found Error
Explains the "FileContentTrackerDataCollectorLocal - couldn't locate File entry" rolling-log message in Netwrix Change Tracker, when it is safe to ignore, and how to troubleshoot if the file should exist.
File Is Being Used by Another Process Error
Resolving the "file is being used by another process" error when running a report in Netwrix Change Tracker, typically caused by antivirus or EDR solutions locking the report file.
FileHash SHA256 File Not Found Error
Explains the Rolling-Log error where ItemStoragePipeline cannot collect a file's SHA256 hash because the file is missing, and provides guidance and troubleshooting steps for Netwrix Change Tracker.
HTTP 500.19: Duplicate X-Frame-Options Entry
Resolves HTTP/HTTPS Error 500.19 caused by a duplicate X-Frame-Options collection entry in web.config after upgrading Netwrix Change Tracker from an older version.
Hub Offline Connection Retries Exhausted
Explains the "Hub Offline, connection retries exhausted" rolling-log error for Netwrix Change Tracker agents and how to troubleshoot connectivity between the agent and the Netwrix Server.
HubDetails Crypto Error
Shows how to fix the Rolling-Log error "HubDetails - Crypto error. Has the agent process account changed since the password data was entered?" by repairing the HubDetails.xml file used by the Netwrix Change Tracker agent.
NNT_FILEHASH_LINUX_X64 Log Fix: Permission Denied
Resolves a "Permission denied" error when running the NNT_FILEHASH_LINUX_X64 binary on agentless Linux devices monitored by Netwrix Change Tracker.
Pages in Report Exceed 250 Error
Resolving the "Number of pages in the report will exceed 250" error in Netwrix Change Tracker by increasing the MaxPagesInReport configuration setting.
Redis QFork.dat Disk Space
Explaining what Redis QFork.dat files are, where they are stored for Netwrix Change Tracker, and when it is safe to delete them to recover disk space.
Registry Key Permissions Error
Explains the RegistryTrackerDataCollector error that indicates the Netwrix Change Tracker agent cannot access a registry key, why the error appears, and how to troubleshoot or safely ignore it.
System Error When Running Event Queries
Resolving "System Error" messages when running event queries with text search in Netwrix Change Tracker by switching to regex search and increasing query timeouts.
Unable to Upload Agent Update Files
Resolving the "System Error / An unknown error occurred" message when uploading agent updates in Netwrix Change Tracker by increasing the IIS maxAllowedContentLength value.
Error: WinHTTP Connection Terminated Abnormally
When you run the Netwrix ChangeTracker Gen7 Agent NetCore installer and test the Hub connection, you may receive a WinHttp.WinHttpRequest error stating the connection was terminated abnormally. Install Microsoft's Easy Fix update to enable TLS 1.1/TLS 1.2 for WinHTTP to resolve the issue.