Discovery - SNMP credentials having username beyond 32 characters would lead Test Credentials to fail.Issue SNMP credentials having username beyond 32 characters would lead Test Credentials to fail.ReleaseAll Releases. CauseUser name exceeding the security limit which is 32.After going through the input payload that was run you will see this stack trace.com.snc.automation_common.integration.exceptions.UnknownException: User 'snmp-server xxxxxxxxxx xxxxxxxxx RW' not added because of its too long security name with length 33at com.snc.core_automation_common.util.AKeyedConnectionFactory.getConnection(AKeyedConnectionFactory.java:146)at com.snc.core_automation_common.util.AKeyedConnectionFactory.getConnection(AKeyedConnectionFactory.java:110)at com.service_now.mid.pipeline.command.TestCredentialCommandImpl.executeRawCommand(TestCredentialCommandImpl.java:120)at com.snc.core_automation_common.pipeline.ACommand.execute(ACommand.java:114)at com.service_now.mid.probe.CommandPipeline.probe(CommandPipeline.java:63)at com.service_now.mid.probe.AProbe.process(AProbe.java:96)at com.service_now.mid.queue_worker.AWorker.runWorker(AWorker.java:121)at com.service_now.mid.queue_worker.AWorkerThread.run(AWorkerThread.java:20)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)at java.lang.Thread.run(Thread.java:748)Caused by: java.lang.IllegalArgumentException: User 'snmp-server community pomeroy2 RW' not added because of its too long security name with length 33at org.snmp4j.security.USM.addUser(USM.java:858)at org.snmp4j.security.USM.addUser(USM.java:824)at com.service_now.mid.probe.snmp.api.Snmp4jSessionFactory.getSnmpV3Session(Snmp4jSessionFactory.java:135)at com.service_now.mid.probe.snmp.api.Snmp4jSessionFactory.getConnection(Snmp4jSessionFactory.java:101)at com.service_now.mid.probe.snmp.api.Snmp4jSessionFactory.getConnection(Snmp4jSessionFactory.java:52)at com.snc.core_automation_common.util.AKeyedConnectionFactory.getConnectionUseOneCred(AKeyedConnectionFactory.java:216)at com.snc.core_automation_common.util.AKeyedConnectionFactory.getConnectionIterateOverCreds(AKeyedConnectionFactory.java:170)at com.snc.core_automation_common.util.AKeyedConnectionFactory.getConnection(AKeyedConnectionFactory.java:123)... 10 more" probe_time="0" result_code="900000"> Looks like there is a limitation on how many characters can be given to SNMP credentials. Here is the stack overflow discussion I found.https://stackoverflow.com/questions/6290580/net-snmp-security-name-too-long-what-is-the-max-length-of-security-name#6298039ResolutionPlease reduce the username to have less than 32 characters for SNMP credentials that should fix the issue.