diff --git a/src/search/components/input/AskAIResults.tsx b/src/search/components/input/AskAIResults.tsx
index 19060614aa24..8f6d4f28b2f4 100644
--- a/src/search/components/input/AskAIResults.tsx
+++ b/src/search/components/input/AskAIResults.tsx
@@ -76,7 +76,7 @@ export function AskAIResults({
 
   const [conversationId, setConversationId] = useState<string>('')
 
-  const handleAICannotAnswer = () => {
+  const handleAICannotAnswer = (passedConversationId?: string) => {
     setInitialLoading(false)
     setResponseLoading(false)
     setAICouldNotAnswer(true)
@@ -87,6 +87,7 @@ export function AskAIResults({
       eventGroupId: askAIEventGroupId.current,
       couldNotAnswer: true,
       status: 400,
+      connectedEventId: passedConversationId || conversationId,
     })
     setMessage(cannedResponse)
     setAnnouncement(cannedResponse)
@@ -98,6 +99,7 @@ export function AskAIResults({
         message: cannedResponse,
         sources: [],
         aiCouldNotAnswer: true,
+        connectedEventId: passedConversationId || conversationId,
       },
       version,
       router.locale || 'en',
@@ -123,6 +125,7 @@ export function AskAIResults({
     if (cachedData) {
       setMessage(cachedData.message)
       setReferences(cachedData.sources)
+      setConversationId(cachedData.connectedEventId || '')
       setAICouldNotAnswer(cachedData.aiCouldNotAnswer || false)
       setInitialLoading(false)
       setResponseLoading(false)
@@ -150,10 +153,6 @@ export function AskAIResults({
 
       try {
         const response = await executeAISearch(router, version, query, debug)
-        // Serve canned response. A question that cannot be answered was asked
-        if (response.status === 400) {
-          return handleAICannotAnswer()
-        }
         if (!response.ok) {
           console.error(
             `Failed to fetch search results.\nStatus ${response.status}\n${response.statusText}`,
@@ -219,7 +218,14 @@ export function AskAIResults({
                 continue
               }
 
-              if (parsedLine.chunkType === 'SOURCES') {
+              // A conversation ID will still be sent when a question cannot be answered
+              if (parsedLine.chunkType === 'CONVERSATION_ID') {
+                conversationIdBuffer = parsedLine.conversation_id
+                setConversationId(parsedLine.conversation_id)
+              } else if (parsedLine.chunkType === 'NO_CONTENT_SIGNAL') {
+                // Serve canned response. A question that cannot be answered was asked
+                handleAICannotAnswer(conversationIdBuffer)
+              } else if (parsedLine.chunkType === 'SOURCES') {
                 if (!isCancelled) {
                   sourcesBuffer = sourcesBuffer.concat(parsedLine.sources)
                   sourcesBuffer = uniqBy(sourcesBuffer, 'url')
@@ -230,9 +236,9 @@ export function AskAIResults({
                   messageBuffer += parsedLine.text
                   setMessage(messageBuffer)
                 }
-              } else if (parsedLine.chunkType === 'CONVERSATION_ID') {
-                conversationIdBuffer = parsedLine.conversation_id
-                setConversationId(parsedLine.conversation_id)
+              } else if (parsedLine.chunkType === 'INPUT_CONTENT_FILTER') {
+                // Serve canned response. A spam question was asked
+                handleAICannotAnswer(conversationIdBuffer)
               }
               if (!isCancelled) {
                 setAnnouncement('Copilot Response Loading...')
diff --git a/src/search/lib/ai-search-proxy.ts b/src/search/lib/ai-search-proxy.ts
index fbb897c2b56e..54d3d28146fb 100644
--- a/src/search/lib/ai-search-proxy.ts
+++ b/src/search/lib/ai-search-proxy.ts
@@ -80,14 +80,7 @@ export const aiSearchProxy = async (req: Request, res: Response) => {
 
     // Handle the upstream response before piping
     stream.on('response', (upstreamResponse) => {
-      // When cse-copilot returns a 204, it means the backend received the request
-      // but was unable to answer the question. So we return a 400 to the client to be handled.
-      if (upstreamResponse.statusCode === 204) {
-        statsd.increment('ai-search.unable_to_answer_query', 1, diagnosticTags)
-        return res
-          .status(400)
-          .json({ errors: [{ message: 'Sorry I am unable to answer this question.' }] })
-      } else if (upstreamResponse.statusCode !== 200) {
+      if (upstreamResponse.statusCode !== 200) {
         const errorMessage = `Upstream server responded with status code ${upstreamResponse.statusCode}`
         console.error(errorMessage)
         statsd.increment('ai-search.stream_response_error', 1, diagnosticTags)