diff --git a/Core ServiceNow APIs/GlideRecord/CheckDuplicate-Server/readme.md b/Core ServiceNow APIs/GlideRecord/CheckDuplicate-Server/readme.md
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+++ b/Core ServiceNow APIs/GlideRecord/CheckDuplicate-Server/readme.md	
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+Scan all Servers (cmdb_ci_server). For each one, check if there is another CI in cmdb_ci_computer with the same name but not a server (sys_class_name != cmdb_ci_server).
+
+If found, log the server name and the duplicate CI’s class; keep a running duplicate count; finally log the total.
+
+*******Descriton****
+1. var gr = new GlideRecord("cmdb_ci_server");
+2. Creates a record set for Server CIs.
+
+
+gr.addEncodedQuery("sys_class_name=cmdb_ci_server");
+3. Redundant: you’re already targeting the cmdb_ci_server table which is a class table. This filter doesn’t harm, but it’s unnecessary.
+
+
+while (gr.next()) { ... }
+4. Loops through each server CI.
+
+
+5.Inside loop:
+
+Query cmdb_ci_computer for records with the same name but where sys_class_name != cmdb_ci_server.
+6. If found, log the duplicate and increment dupCount.
+
+
+
+7. Finally logs total dupCount.
diff --git a/Core ServiceNow APIs/GlideRecord/CheckDuplicate-Server/script.js b/Core ServiceNow APIs/GlideRecord/CheckDuplicate-Server/script.js
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+++ b/Core ServiceNow APIs/GlideRecord/CheckDuplicate-Server/script.js	
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+var dupCount = 0;
+var gr = new GlideRecord("cmdb_ci_server");
+//gr.addQuery("name", "value");
+gr.addEncodedQuery("sys_class_name=cmdb_ci_server");
+gr.query();
+while (gr.next()) {
+   var dup = new GlideRecord("cmdb_ci_computer");
+	dup.addQuery("name", gr.name);
+	dup.addQuery("sys_class_name", "!=", "cmdb_ci_server");
+	dup.query();
+	if (dup.next()) {
+		gs.log("\t" + gr.name + "\t" + dup.sys_class_name);
+		dupCount++;
+	}
+
+}
+gs.log("dup count=" + dupCount);