@@ -404,11 +404,11 @@ export class DebugSessionFeature extends LanguageClientConsumer
 
 private getDotnetNamedConfigOrDefault(configName?: string): ResolveDebugConfigurationResult {
 if (configName) {
-const debugConfigs = workspace.getConfiguration("launch").get<DebugConfiguration[]>("configurations") ?? [];
-return debugConfigs.find(({ type, request, name, dotnetDebuggerConfigName }) =>
+const debugConfigs = this.getLaunchConfigurations();
+return debugConfigs.find(({ type, request, name }) =>
 type === "coreclr" &&
 request === "attach" &&
-name === dotnetDebuggerConfigName
+name === configName
 );
 }
 
@@ -425,6 +425,11 @@ export class DebugSessionFeature extends LanguageClientConsumer
 };
 }
 
+/** Fetches all available vscode launch configurations. This is abstracted out for easier testing */
+private getLaunchConfigurations(): DebugConfiguration[] {
+return workspace.getConfiguration("launch").get<DebugConfiguration[]>("configurations") ?? [];
+}
+
 private async resolveAttachDebugConfiguration(config: DebugConfiguration): Promise<ResolveDebugConfigurationResult> {
 const platformDetails = getPlatformDetails();
 const versionDetails = this.sessionManager.getPowerShellVersionDetails();
@@ -742,3 +747,4 @@ export class PickRunspaceFeature extends LanguageClientConsumer {
 this.waitingForClientToken = undefined;
 }
 }
+

@@ -353,6 +353,56 @@ describe("DebugSessionFeature", () => {
 assert.equal(actual!, null);
 assert.match(logger.writeAndShowError.firstCall.args[0], /matching launch config was not found/);
 });
+
+it("Finds the correct dotnetDebuggerConfigName", async () => {
+const foundDotnetConfig: DebugConfiguration = {
+name: "TestDotnetAttachConfig",
+request: "attach",
+type: "coreclr",
+};
+const candidateDotnetConfigs: DebugConfiguration[] = [
+{
+name: "BadCandidate1",
+type: "powershell",
+request: "attach"
+},
+{
+name: "BadCandidate2",
+type: "coreclr",
+request: "attach"
+},
+{ // This one has launch instead of attach and even tho it has same name, should not be matched
+name: foundDotnetConfig.name,
+type: "coreclr",
+request: "launch"
+},
+foundDotnetConfig, //This is the one we want to match
+{
+name: foundDotnetConfig.name,
+type: "notcoreclrExactly",
+request: "attach"
+},
+{
+name: `${foundDotnetConfig.name}notexactlythisname`,
+type: "coreclr",
+request: "attach"
+}
+];
+const attachConfig = defaultDebugConfig;
+attachConfig.script = "test.ps1"; // This bypasses the ${file} logic
+attachConfig.createTemporaryIntegratedConsole = true;
+attachConfig.attachDotnetDebugger = true;
+attachConfig.dotnetDebuggerConfigName = foundDotnetConfig.name;
+const debugSessionFeature = createDebugSessionFeatureStub({});
+
+// The any is necessary to stub a private method
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+Sinon.stub(debugSessionFeature, "getLaunchConfigurations" as any).returns(candidateDotnetConfigs);
+
+const config = await debugSessionFeature.resolveDebugConfigurationWithSubstitutedVariables(undefined, attachConfig);
+
+assert.deepStrictEqual(config!.dotnetAttachConfig, foundDotnetConfig);
+});
 });
 
 describe("createDebugAdapterDescriptor", () => {