Sensor error when processing Horizontal Pattern: No sensors defined (Discovery Log)

[Sunny45]

Team,

We recently got new instance and have all plugins for discovery installed. I have a first MID server installed pointing to this instance. 

When I ran the discovery to discover the MID server using same MID server, I am getting below error message in discovery log. I believe we can discover the MID server using same MID without any credentials.(correct me if I am wrong). The OS on the server which I am discovering is Windows Server 2019 Standard

 "Sensor error when processing Horizontal Pattern: No sensors defined"

Please advise if I am missing any sensor. I am seeing that there is no sensor defined in Horizontal discovery.(last snap)

 

[Sunny45]

Yes Anshu,

We have installed all plugins related to discovery and service mapping.

[MattSN]

Known Issue - Discovery Sensors from the Pattern Designer plugin are missing in some New York and Orlando instances, inc. Horizontal Discovery Sensor, HTTP - Classify

https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB0819305

[Anshu_Anand_]

Thanks i did not thought the instance was in orlando .

It would be good if you upgrade to latest versions 

[Jude S]

I came across the similar issue recently and resolved it by reaching out to ServiceNow support. 
This was caused by few failures during updates/upgrades of the plugin installation. I had issues with multiple sensors and the following plugins had to be repaired to resolve this issue.

 - Pattern Designer (com.snc.pattern.designer)

 - Discovery and Service Mapping Patterns (sn_itom_pattern)