Enable IP Service Affinity for discovery Product Success Playbook Enable IP Service Affinity for discovery A step-by-step guide to analyze and remediate issues with Discovery configuration Table of Contents Summary Goal of this Playbook Audience Problem Overview Executive Summary How this playbook can help you achieve business goals How this playbook is structured Problem Analysis Upstream Causes Downstream Consequences Impact on Your Business Engagement Questions Remediation Plays Summary Play 1: Review your data Play 2: Fix Play Play 3: Fix Play Data Governance Summary Goal of this Playbook This playbook helps in reducing discovery errors and improving performance by having IP Service affinity enabled Details about this playbook Author Bibu Elias Punnachalil Reviewer John (Johnny) Walker Date 08/04/2022 Addresses HSD # HSD0010815 Applicable ServiceNow Releases All Releases Prerequisites Time Required Approximately 1 to 2 hours (depending on your environment) Audience Discovery AdministratorConfiguration Management TeamSystem AdministratorsServiceNow Administrator Problem Overview IP Service affinity saves the IP service information that is used to successfully find a device and associates it with that IP address. Using this information, discovery can target the device in subsequent runs. Executive Summary How this playbook can help you achieve business goals This playbook helps in improving the discovery performance and reduces error messages in discovery home page How this playbook is structured This Playbook will guide you through 4 plays. Play 1 (a review data play) helps to check if IP Service Affinity is enabledPlay 2 (remediation) provides steps to enable IP Service AffinityPlay 3 (remediation) provides steps for fixing issues with IP Service AffinityPlay 4 (a Data Governance play) lists the guidelines and processes for continuing to ensure IP Service affinity is effectively utilized Problem Analysis Upstream Causes Instance version Quebec or prior, while discovery was enabled Data Consequence NA Operation Consequence Operational teams spending additional effort in troubleshooting discovery issues Discovery takes longer time to complete App Consequence More hardware & network resources are consumed due to unnecessary triggering of probes Impact on Your Business IP Service affinity not being enabled . Incident Reduction Reduced Discovery Error Messages Engagement Questions: Consider the answers to these questions: Does your team review error messages from discovery?Do you use discovery for your network devices? Remediation Plays SummaryThe table below lists and summarizes each of the remediation plays in the playbook. Details are included later. Play Name Review your data What this play is about Review the system property for IP Service Affinity enablement Required tasks List the active MID Server Issues Fix Play : Unexpected Error What this play is about Errors with short description Required tasks Analyze the error and in case not possible Fix Play 2 What this play is about This play helps you to fix other MID Server issues Required tasks Execute the steps provided Data Governance What this play is about Helps you establish standard operating procedures, as well as periodic data certification Required tasks Provides detailed advice, best practices and data audit instructions Play 1 - Review your configuration What this Play is about Review if currently IP Service Affinity is enabled on your instance Required tasks In the navigator filter enter sys_properties.listExpand filter and add a filter condition to check if name contains “glide.discovery.ip_service_affinity” Open the property “glide.discovery.ip_service_affinity” Check if “Value” field is set to “true”. In case its set to false, proceed to play 2 for enabling IP Service Affinity Play 2 – Fix Play : Enable IP Service What this Play is about Enable IP Service affinity in the instance Required tasks Perform the tasks provided in play 1Change value in the field “Value” from “false” to “true” Click “update” to save the configuration change Play 3 – Review Play: Check IP Service Affinities What this Play is about This review play provides steps for checking the IP Service Affinity present in the instance Required tasks Navigate to Discovery > Discovery Definition > IP ServicesFilter the list to find the appropriate IP serviceClick the name of the service to go to that IP service page.Click the IP Service Affinities tab for the list of IP addresses associated with that service Data Governance What this Play is about This play provides an approach for monitoring and managing IP Service affinity Required tasks Rerun Play 3 periodically to check for IP Service affinitiesIn case if discovery is failing due to the right protocol not getting used, try deleting the IP service affinity for that specific IP address and then rerun the discovery Congratulations You have completed this Product Success Playbook.