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Knowledge Base Articles

How do I redirect HTTP requests to HTTPS on Linux?

Users can redirect requests from HTTP to the HTTPS Controller port on Linux using Iptables.   In your computer terminal, replace eth0 with your actual interface name using the following command: sudo iptables -A PREROUTING -t nat -i eth0 -p tcp --dp...

How do I reset the Controller root user password?

You can change the root user password from the AppDynamics Administration Console page.   Note: If using the "Forgot Password" link, the emailed token will expire four hours after it is sent. The duration of this token is not configurable.   To chan...

Gear
Erin by AppDynamics Team (Retired)
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Controller and Agent ADD Limit Notifications: Explanations

What does this Controller or Agent ADD limit notification mean?   AppDynamics collects Application Diagnostic Data (ADD) with limits in place to prevent overhead. If any ADD limit is hit, either on the agent or on the Controller, a notification will...

Cody.Naumann by AppDynamics Team (Retired)
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What does the "Time range not supported error" mean?

Symptoms Issue:  Time range not supported error   Diagnosis Log in into the controller database and verify the following properties:   <Controller_Install_Dir>\bin\controller[.sh/.bat] login-dbselect name, value from global_configuration_cluster whe...

Time_Range_Not_Supported.png

How can custom correlation be used with validation?

  Use Case Description Using the flight search sample application, this example shows the use of the validation configuration. Prior to applying the custom correlation configuration with validation, the flow map shows the following.   Flow Map Withou...

Validation-Failed.png Validation-Passed.png
pclark by AppDynamics Team (Retired)
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Why are snapshots missing in the Controller?

How does the monitored application, its BT characteristics and load, affect snapshots in the Controller? Updated on 7/30/18   This article describes common issues that can explain why expected snapshots might be missing in the Controller. The issues ...

pclark by AppDynamics Team (Retired)
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How do I block external access to the Controller Database?

This topic provides a firewall-based method to block external access to the Controller MySQL Database by dropping all traffic trying to connect to port 3388.   Environment and components Linux such as RHEL, Centos, systems using iptables if your syst...

pclark by AppDynamics Team (Retired)
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Zero Calls Per Minute for a Business Transaction

Question A number of business transactions are showing up, but they have 0 calls (using data for last one year). Why they would at all show up. If a business transaction was discovered by an agent, that means there was a call for that business transa...

pclark by AppDynamics Team (Retired)
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Why is there no data in the Metric Browser?

This may indicate that the agents are not correctly configured. Begin troubleshooting by looking at the server.log file. All log files for Controller are located in the <Controller_Installation_Directory>/logs folder.   Error Message Solution ...

pclark by AppDynamics Team (Retired)
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Policy and Health Rule Configuration Matrix

This article describes how policies and health rules behave depending on which entities/objects are used in the configuration.   You can specify affected entities, such as nodes and tiers, in both Health rules and policies. It is important to underst...

pclark by AppDynamics Team (Retired)
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