diff --git a/extensions/typescript-language-features/src/tsServer/serverProcess.browser.ts b/extensions/typescript-language-features/src/tsServer/serverProcess.browser.ts
index b73c8f95cc137..e47ad7803aa2f 100644
--- a/extensions/typescript-language-features/src/tsServer/serverProcess.browser.ts
+++ b/extensions/typescript-language-features/src/tsServer/serverProcess.browser.ts
@@ -30,7 +30,7 @@ type BrowserWatchEvent = {
 
 export class WorkerServerProcess implements TsServerProcess {
 	@memoize
-	private static get output(): vscode.OutputChannel {
+	private static get tsServerlogOutputChannel(): vscode.OutputChannel {
 		return vscode.window.createOutputChannel(vscode.l10n.t("TypeScript Server Log"));
 	}
 
@@ -118,7 +118,7 @@ export class WorkerServerProcess implements TsServerProcess {
 		this.worker.onmessage = (msg: any) => {
 			// for logging only
 			if (msg.data.type === 'log') {
-				this.appendOutput(msg.data.body);
+				this.appendLog(msg.data.body);
 				return;
 			}
 			console.error(`unexpected message on main channel: ${JSON.stringify(msg)}`);
@@ -132,7 +132,6 @@ export class WorkerServerProcess implements TsServerProcess {
 			}
 		};
 
-		this.appendOutput(`creating new MessageChannel and posting its port2 + args: ${args.join(' ')}\n`);
 		this.worker.postMessage(
 			{ args, extensionUri },
 			[syncChannel.port1, tsserverChannel.port1, watcherChannel.port1]
@@ -141,7 +140,6 @@ export class WorkerServerProcess implements TsServerProcess {
 		const connection = new ServiceConnection<Requests>(syncChannel.port2);
 		new ApiService('vscode-wasm-typescript', connection);
 		connection.signalReady();
-		this.appendOutput('done constructing WorkerServerProcess\n');
 	}
 
 	write(serverRequest: Proto.Request): void {
@@ -168,8 +166,8 @@ export class WorkerServerProcess implements TsServerProcess {
 		this.syncFs.close();
 	}
 
-	private appendOutput(msg: string) {
-		WorkerServerProcess.output.append(`(${this.id} - ${this.kind}) ${msg}`);
+	private appendLog(msg: string) {
+		WorkerServerProcess.tsServerlogOutputChannel.appendLine(`(${this.id} - ${this.kind}) ${msg}`);
 	}
 }
 
diff --git a/extensions/typescript-language-features/web/webServer.ts b/extensions/typescript-language-features/web/webServer.ts
index ffc0d658a29cc..a8acd853ccdb4 100644
--- a/extensions/typescript-language-features/web/webServer.ts
+++ b/extensions/typescript-language-features/web/webServer.ts
@@ -588,27 +588,43 @@ async function initializeSession(args: string[], extensionUri: URI, ports: { tss
 	session.listen();
 }
 
+function parseLogLevel(input: string | undefined): ts.server.LogLevel | undefined {
+	switch (input) {
+		case 'normal': return ts.server.LogLevel.normal;
+		case 'terse': return ts.server.LogLevel.terse;
+		case 'verbose': return ts.server.LogLevel.verbose;
+		default: return undefined;
+	}
+}
 
 let hasInitialized = false;
 const listener = async (e: any) => {
 	if (!hasInitialized) {
 		hasInitialized = true;
 		if ('args' in e.data) {
+			const args = e.data.args;
+
+			const logLevel = parseLogLevel(findArgument(args, '--logVerbosity'));
+			const doLog = typeof logLevel === 'undefined'
+				? (_message: string) => { }
+				: (message: string) => { postMessage({ type: 'log', body: message }); };
+
 			const logger: ts.server.Logger = {
 				close: () => { },
-				hasLevel: level => level <= ts.server.LogLevel.verbose,
+				hasLevel: level => typeof logLevel === 'undefined' ? false : level <= logLevel,
 				loggingEnabled: () => true,
 				perftrc: () => { },
-				info: s => postMessage({ type: 'log', body: s + '\n' }),
-				msg: s => postMessage({ type: 'log', body: s + '\n' }),
+				info: doLog,
+				msg: doLog,
 				startGroup: () => { },
 				endGroup: () => { },
-				getLogFileName: () => 'tsserver.log',
+				getLogFileName: () => undefined
 			};
+
 			const [sync, tsserver, watcher] = e.ports as MessagePort[];
 			const extensionUri = URI.from(e.data.extensionUri);
 			watcher.onmessage = (e: any) => updateWatch(e.data.event, URI.from(e.data.uri), extensionUri);
-			await initializeSession(e.data.args, extensionUri, { sync, tsserver, watcher }, logger);
+			await initializeSession(args, extensionUri, { sync, tsserver, watcher }, logger);
 		} else {
 			console.error('unexpected message in place of initial message: ' + JSON.stringify(e.data));
 		}
@@ -617,4 +633,3 @@ const listener = async (e: any) => {
 	console.error(`unexpected message on main channel: ${JSON.stringify(e)}`);
 };
 addEventListener('message', listener);
-