Issue
Contents
- Overview
- Event Connector
- Event Processing and EventRules
- Impact Calculation & Event Dashboards
- Alert Management Rules
- Event-Driven Discovery
1. Overview
This article is a quick reference guide to the Knowledge Base articles and additional support resources that cover common Event Management Application issues and topics. For a list of all available reference guides, see Resource Pages.
Product Documents
2. Event Connector
Product Documents
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- ServiceNow Product Documentation provides helpful information before you start implementing Connectors and listeners Check out the following links for frequently seen issues related to connectors and listeners
Knowledge Base Articles
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- Event Management Connector - How does the mid server selection algorithm work?
- SCOM connector instance configured with Windows Authentication
- Unable to get SCOM Event Collector to connect to SCOM server
- Deadlock: Problem when running more than one Groovy connector (SCOM) on the same MID Server
- Zabbix connector stores Japanese characters in the event/alert description field as HTML character code
- Out-of-the box Event Management - Listener Transform scripts corrupt or truncated
- Moving Event Management Connector Instances records using update sets
- NPM 12.0 is only supported version for SolarWinds EM, 12.0 is EOL on 8/2019
- The PRTG connector will create duplicate Events if the severity of the event has changed
3. Event Processing and Event Rules
Product Documents
Knowledge Base Articles
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- Event Management - What is an Event and dealing with events
- Events not processed
- Event Management events stuck in 'Queued.' state.
- Event Management Events Stuck in 'Ready' state
- Event Management: Incoming trap records are slowly processed and stuck in ready state
- Events assignment to Event Processing Jobs and how to Identify a hang/delay in an event processing job
- The alert query job is causing out of memory errors
- Event rule field cleared from events
- On Alert [em_alert] Maintenance flag is updated to False automatically when a new event comes in
- Event Rule filters using "less than", "greater than", "less than or is", or "greater than or is" make an incorrect comparison when the value is numeric
- Event Management - Closing/clear events does not close associated incidents
- 'Event Management - process events' scheduled job spends a lot of time updating records in sys_attachment table with table_sys_id as null
- Em_events are stuck in 'ready' state due to cache not being refreshed correctly
- Event rules are disabled with an error "Warning: Rule was disabled. Event rule processing failed due to a regex failure in Transform and Compose section. Exception message: java.lang.Integer cannot be cast to java.lang.String."
- Event Field Mapping does not work when Threshold is enabled in Even Rule post upgrading to Newyork.
- Cause of duplicate nodes in the em_unique_nodes table which affects licensing
4. Impact Calculation & Event Dashboards
Product Documents
Knowledge Base Articles
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- Event Management - Impact Calculation Explained
- Event Management impact calculations repeatedly turn off and out-of-memory OOM issues occur when impact calculations run
- Incoming event maintenance flags blank out all alerts glide_date_time fields through the impact calculator
- Alert panel not working when "tiny URL" is activated
- JVM restarted due to OutOfMemory errors caused by Event Management - Impact Calculator Trigger job
- Impact status calculated wrong on OS cluster.
- Event Management Dashboard is not loading and multiple EM impact jobs are stuck
- Service Analytics group alerts using RCA job causes of OutOfMemory exception in Madrid P4 and up
- "Event Management - Impact Tree Builder" jobs are running for a long time, and causing highmemory usage on the instance
- Event Management customers may see erroneous data in the Event Dashboard
- Impact not shown on Event Management Dashboard - invalid query returns no rows "Unknown field is_service in table cmdb_ci_service"
- Event Management Dashboard - setting maintenance flag to "true" on alert that is part of alert group, doesn't remove the alert from alerts panel
- Event Management customers may see erroneous data in the Event Dashboard
5. Alert Management Rules
Product Documents
Knowledge Base Articles
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- Alert Management Explained
- Alert Grouping Explained
- Alert Processing Explained
- Alert Similarity causing performance issues during load of the Alert form
- [EM - Alert Rule] After upgrade to Madrid "EvtMgmtCustomIncidentPopulator" or "the task field customisations" are not working
- Alerts are not showing on business services.
- Alert group in Event Management stops working
- Alerts not getting created even when it satisfies an event rule
- Delayed incident creation from alert in Maintenance
- [London - Event Management] - Published flows do not show up in the list of flows when configuring Alert Management Rules.
- How to query the alert management rules by conditions in "Alert filter" field within "Alert management rules" table list view?
- Alerts are not opening when tried to open from Event Management Dashboard.
- Migrate Alert Rule to Management Rule breaks Regex condition in the alert filter.
- Alert Similarity causing performance issues during load of the Alert form
- [Alert Group Reasoning] Fix bug in Learner - to prevent saving redundant information in pairwise probabilities table
- Deleted CIs remain in the table em_impact_maint_cmdb_ci_alert
- Alert Grouping in certain cases, role in group is empty for secondary alerts