{"id":19960,"date":"2023-08-30T08:50:21","date_gmt":"2023-08-30T12:50:21","guid":{"rendered":"https:\/\/kevinjustin.com\/blog\/?p=19960"},"modified":"2023-08-30T08:50:21","modified_gmt":"2023-08-30T12:50:21","slug":"scomcore-addendum-pack","status":"publish","type":"post","link":"https:\/\/kevinjustin.com\/blog\/2023\/08\/30\/scomcore-addendum-pack\/","title":{"rendered":"SCOMCore Addendum pack"},"content":{"rendered":"
\"SCOMCore<\/a>
SCOMCore Addendum pack – having a strong core makes bigger gains<\/figcaption><\/figure>\n

Time to configure the Microsoft System Center Core Monitoring pack per health model and best practice.\u00a0 That’s where the SCOMCore Addendum pack comes in. Addendum adds High Agent Handle count group, daily report and alert closure automation, and rule\/monitor overrides.\u00a0 Some assembly required – update the discovery pattern for offending high handle counts, and high handle count group ContextInstance GUID after import.<\/p>\n

 <\/p>\n

Quick Download: https:\/\/github.com\/theKevinJustin\/SCOMCoreAddendum<\/a><\/h4>\n

 <\/p>\n

 <\/p>\n

Background: <\/strong><\/p>\n

While High Agent\u00a0 Handle count was more an issue before the x365 platform migrated UC, SharePoint, and email (i.e. Lync\/Skype, SharePoint, Exchange on prem) went to the cloud.\u00a0 This is still seen where cloud scalability options and virtualization\/storage limitations exist.\u00a0 Example typically is an over-utilized virtual machine in hybrid\/IaaS\/premise scenarios.\u00a0 Kevin Holman caught this performance issue years back, creating monitoring alerts pack and blog<\/a>.\u00a0 In case you’re on SCOM jeopardy, the LAW\/OMS\/Microsoft Monitoring Agent\/SCOM agent has a built-in health check.\u00a0 The built-in health check restarts service when Handle Count or memory of the HealthService (aka Microsoft Monitoring Agent service) ran too hot per SCOM PG.\u00a0 \u00a0SCOM agent restarts caused config churn, and high compute, as workflows re-ran after the service restarted.<\/p>\n

 <\/p>\n

 <\/p>\n

Assess agent restarts<\/h4>\n

Begin by verifying if you have Kevin Holman’s pack for SCOM agent restarts\u00a0 downloaded and installed, which sets memory\/handle count informational alerts https:\/\/github.com\/thekevinholman\/SCOM.AgentThresholds<\/a><\/p>\n

Validate pack installed<\/p>\n

\"Verify<\/a>
Verify SCOM Agent Thresholds pack installed.<\/figcaption><\/figure>\n

 <\/p>\n

 <\/p>\n

Configure addendum for environment<\/h4>\n

Download and Install ‘SCOMCore Addendum pack’ here<\/a><\/p>\n

Open saved XML in notepad or Notepad++ (your favorite XML editor here!)<\/p>\n

Update the regular expression pattern line for offending servers in the<\/p>\n

\"Update<\/a><\/p>\n

 <\/p>\n

Figure out the group GUID for the high agent handle count<\/p>\n

From PowerShell on SCOM management server, run:<\/span><\/p>\n

Get-SCOMClassInstance -DisplayName “Proactive High Agent Handle Count servers” | fl DisplayName,ID<\/span><\/p>\n

 <\/p>\n

Find\/Replace GUID<\/p>\n

\"PowerShell<\/a><\/p>\n

 <\/p>\n

Save file and Import > enjoy less alerts!<\/p>\n

 <\/p>\n

 <\/p>\n

Documentation:<\/h4>\n

Kevin Holman blog<\/a> on SCOM agent restarts<\/p>\n

Holman’s pack for SCOM agent restarts and setting memory\/handle count alerts https:\/\/github.com\/thekevinholman\/SCOM.AgentThresholds<\/a><\/p>\n

Addendum download https:\/\/github.com\/theKevinJustin\/SCOMCoreAddendum<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Time to configure the Microsoft System Center Core Monitoring pack per health model and best practice.\u00a0 That’s where the SCOMCore Addendum pack comes in. Addendum adds High Agent Handle count group, daily report and alert closure automation, and rule\/monitor overrides.\u00a0 Some assembly required – update the discovery pattern for offending high handle counts, and high … Continue reading “SCOMCore Addendum pack”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,567,7,545,530,742],"tags":[25,797,223,342,796],"class_list":["post-19960","post","type-post","status-publish","format-standard","hentry","category-administration","category-authoring","category-mp-management-pack","category-powershell","category-scom","category-windows","tag-addendum","tag-high-agent-handle-count","tag-management-pack","tag-scom","tag-scom-core"],"yoast_head":"\nSCOMCore Addendum pack - Kevin Justin's Blog<\/title>\n<meta name=\"description\" content=\"Add the 'SCOMCore Addendum pack' to your arsenal to add High Agent Handle count group, daily report and alert closure, and overrides.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kevinjustin.com\/blog\/2023\/08\/30\/scomcore-addendum-pack\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SCOMCore Addendum pack - 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