diff --git a/src/kernels/errors/kernelErrorHandler.ts b/src/kernels/errors/kernelErrorHandler.ts
index 721552a03ea..b19cba6afc3 100644
--- a/src/kernels/errors/kernelErrorHandler.ts
+++ b/src/kernels/errors/kernelErrorHandler.ts
@@ -59,7 +59,7 @@ import { IInterpreterService } from '../../platform/interpreter/contracts';
 import { PackageNotInstalledWindowsLongPathNotEnabledError } from '../../platform/errors/packageNotInstalledWindowsLongPathNotEnabledError';
 import { JupyterNotebookNotInstalled } from '../../platform/errors/jupyterNotebookNotInstalled';
 import { fileToCommandArgument } from '../../platform/common/helpers';
-import { getPythonEnvDisplayName } from '../../platform/interpreter/helpers';
+import { getPythonEnvDisplayName, getSysPrefix } from '../../platform/interpreter/helpers';
 import { JupyterServerCollection } from '../../api';
 import { getJupyterDisplayName } from '../jupyter/connection/jupyterServerProviderRegistry';
 
@@ -177,12 +177,15 @@ export abstract class DataScienceErrorHandler implements IDataScienceErrorHandle
             // its possible the kernel failed to start due to missing dependencies.
             return getIPyKernelMissingErrorMessageForCell(error.kernelConnectionMetadata) || error.message;
         } else if (error instanceof BaseKernelError || error instanceof WrappedKernelError) {
-            const files = await this.getFilesInWorkingDirectoryThatCouldPotentiallyOverridePythonModules(resource);
+            const [files, sysPrefix] = await Promise.all([
+                this.getFilesInWorkingDirectoryThatCouldPotentiallyOverridePythonModules(resource),
+                getSysPrefix(error.kernelConnectionMetadata.interpreter)
+            ]);
             const failureInfo = analyzeKernelErrors(
                 workspace.workspaceFolders || [],
                 error,
                 getDisplayNameOrNameOfKernelConnection(error.kernelConnectionMetadata),
-                error.kernelConnectionMetadata.interpreter?.sysPrefix,
+                sysPrefix,
                 files.map((f) => f.uri)
             );
             if (failureInfo) {
@@ -472,12 +475,16 @@ export abstract class DataScienceErrorHandler implements IDataScienceErrorHandle
                 tokenSource.dispose();
             }
         } else {
-            const files = await this.getFilesInWorkingDirectoryThatCouldPotentiallyOverridePythonModules(resource);
+            const [files, sysPrefix] = await Promise.all([
+                this.getFilesInWorkingDirectoryThatCouldPotentiallyOverridePythonModules(resource),
+                getSysPrefix(kernelConnection.interpreter)
+            ]);
+
             const failureInfo = analyzeKernelErrors(
                 workspace.workspaceFolders || [],
                 err,
                 getDisplayNameOrNameOfKernelConnection(kernelConnection),
-                kernelConnection.interpreter?.sysPrefix,
+                sysPrefix,
                 files.map((f) => f.uri)
             );
             this.sendKernelTelemetry(err, errorContext, resource, failureInfo?.reason);
diff --git a/src/kernels/errors/kernelErrorHandler.unit.test.ts b/src/kernels/errors/kernelErrorHandler.unit.test.ts
index e2e420869a2..1168bdae5c6 100644
--- a/src/kernels/errors/kernelErrorHandler.unit.test.ts
+++ b/src/kernels/errors/kernelErrorHandler.unit.test.ts
@@ -4,6 +4,7 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
 import dedent from 'dedent';
+import * as sinon from 'sinon';
 import { assert } from 'chai';
 import { anything, capture, deepEqual, instance, mock, verify, when } from 'ts-mockito';
 import { Disposable, Uri, WorkspaceFolder } from 'vscode';
@@ -43,6 +44,8 @@ import { IInterpreterService } from '../../platform/interpreter/contracts';
 import { JupyterServer, JupyterServerCollection, JupyterServerProvider } from '../../api';
 import { mockedVSCodeNamespaces, resetVSCodeMocks } from '../../test/vscode-mock';
 import { dispose } from '../../platform/common/utils/lifecycle';
+import { PythonExtension } from '@vscode/python-extension';
+import { resolvableInstance } from '../../test/datascience/helpers';
 
 suite('Error Handler Unit Tests', () => {
     let dataScienceErrorHandler: DataScienceErrorHandler;
@@ -62,6 +65,7 @@ suite('Error Handler Unit Tests', () => {
         sysPrefix: ''
     };
     let disposables: IDisposable[] = [];
+    let environments: PythonExtension['environments'];
     setup(() => {
         resetVSCodeMocks();
         disposables.push(new Disposable(() => resetVSCodeMocks()));
@@ -98,6 +102,15 @@ suite('Error Handler Unit Tests', () => {
         when(mockedVSCodeNamespaces.window.showErrorMessage(anything(), anything(), anything())).thenResolve();
         // reset(mockedVSCodeNamespaces.env);
         when(mockedVSCodeNamespaces.env.openExternal(anything())).thenReturn(Promise.resolve(true));
+
+        const mockedApi = mock<PythonExtension>();
+        sinon.stub(PythonExtension, 'api').resolves(resolvableInstance(mockedApi));
+        disposables.push({ dispose: () => sinon.restore() });
+        environments = mock<PythonExtension['environments']>();
+        when(mockedApi.environments).thenReturn(instance(environments));
+        when(environments.resolveEnvironment(jupyterInterpreter.id)).thenResolve({
+            executable: { sysPrefix: '' }
+        } as any);
     });
     teardown(() => {
         disposables = dispose(disposables);
@@ -174,6 +187,9 @@ suite('Error Handler Unit Tests', () => {
                     executable: ''
                 }
             });
+            when(environments.resolveEnvironment(kernelConnection.interpreter.id)).thenResolve({
+                executable: { sysPrefix: 'Something else' }
+            } as any);
         });
         const stdErrorMessages = {
             userOverridingRandomPyFile_Unix: dedent`
diff --git a/src/kernels/execution/cellExecution.ts b/src/kernels/execution/cellExecution.ts
index 2715c18767f..d74b054fd2c 100644
--- a/src/kernels/execution/cellExecution.ts
+++ b/src/kernels/execution/cellExecution.ts
@@ -37,6 +37,7 @@ import { SessionDisposedError } from '../../platform/errors/sessionDisposedError
 import { isKernelSessionDead } from '../kernel';
 import { ICellExecution } from './types';
 import { KernelError } from '../errors/kernelError';
+import { getCachedSysPrefix } from '../../platform/interpreter/helpers';
 
 /**
  * Factory for CellExecution objects.
@@ -324,7 +325,7 @@ export class CellExecution implements ICellExecution, IDisposable {
                     workspace.workspaceFolders || [],
                     error,
                     getDisplayNameOrNameOfKernelConnection(this.kernelConnection),
-                    this.kernelConnection.interpreter?.sysPrefix
+                    getCachedSysPrefix(this.kernelConnection.interpreter)
                 );
                 errorMessage = failureInfo?.message;
             }
diff --git a/src/kernels/raw/finder/interpreterKernelSpecFinderHelper.node.ts b/src/kernels/raw/finder/interpreterKernelSpecFinderHelper.node.ts
index d223c1fa84d..6cc01b3b587 100644
--- a/src/kernels/raw/finder/interpreterKernelSpecFinderHelper.node.ts
+++ b/src/kernels/raw/finder/interpreterKernelSpecFinderHelper.node.ts
@@ -34,6 +34,7 @@ import { getTelemetrySafeHashedString } from '../../../platform/telemetry/helper
 import { isKernelLaunchedViaLocalPythonIPyKernel, isLikelyAPythonExecutable } from '../../helpers.node';
 import { LocalKnownPathKernelSpecFinder } from './localKnownPathKernelSpecFinder.node';
 import { areObjectsWithUrisTheSame, noop } from '../../../platform/common/utils/misc';
+import { getSysPrefix } from '../../../platform/interpreter/helpers';
 
 export function localPythonKernelsCacheKey() {
     const LocalPythonKernelsCacheKey = 'LOCAL_KERNEL_PYTHON_AND_RELATED_SPECS_CACHE_KEY_V_2023_3';
@@ -48,7 +49,12 @@ export async function findKernelSpecsInInterpreter(
     emitter: EventEmitter<IJupyterKernelSpec>
 ): Promise<void> {
     // Find all the possible places to look for this resource
-    const kernelSearchPath = Uri.file(path.join(interpreter.sysPrefix, baseKernelPath));
+    const sysPrefix = await getSysPrefix(interpreter);
+    if (!sysPrefix) {
+        traceWarning(`Failed to get sysPrefix for interpreter ${getDisplayPath(interpreter.id)}`);
+        return;
+    }
+    const kernelSearchPath = Uri.file(path.join(sysPrefix, baseKernelPath));
     const rootSpecPaths = await jupyterPaths.getKernelSpecRootPaths(cancelToken);
     if (cancelToken.isCancellationRequested) {
         return;
diff --git a/src/kernels/raw/finder/interpreterKernelSpecFinderHelper.node.unit.test.ts b/src/kernels/raw/finder/interpreterKernelSpecFinderHelper.node.unit.test.ts
index 0c5806b9970..9b6fb25ad47 100644
--- a/src/kernels/raw/finder/interpreterKernelSpecFinderHelper.node.unit.test.ts
+++ b/src/kernels/raw/finder/interpreterKernelSpecFinderHelper.node.unit.test.ts
@@ -2,6 +2,7 @@
 // Licensed under the MIT License.
 
 import { assert } from 'chai';
+import * as sinon from 'sinon';
 import * as path from '../../../platform/vscode-path/path';
 import { anything, instance, mock, when } from 'ts-mockito';
 import { CancellationTokenSource, EventEmitter, Uri } from 'vscode';
@@ -14,10 +15,11 @@ import { GlobalPythonKernelSpecFinder, findKernelSpecsInInterpreter } from './in
 import { baseKernelPath, JupyterPaths } from './jupyterPaths.node';
 import { LocalKernelSpecFinder } from './localKernelSpecFinderBase.node';
 import { ITrustedKernelPaths } from './types';
-import { uriEquals } from '../../../test/datascience/helpers';
+import { resolvableInstance, uriEquals } from '../../../test/datascience/helpers';
 import { IJupyterKernelSpec } from '../../types';
 import { LocalKnownPathKernelSpecFinder } from './localKnownPathKernelSpecFinder.node';
 import { mockedVSCodeNamespaces } from '../../../test/vscode-mock';
+import { PythonExtension } from '@vscode/python-extension';
 
 suite('Interpreter Kernel Spec Finder Helper', () => {
     let helper: GlobalPythonKernelSpecFinder;
@@ -38,6 +40,7 @@ suite('Interpreter Kernel Spec Finder Helper', () => {
         sysPrefix: 'home/global',
         uri: Uri.joinPath(Uri.file('globalSys'), 'bin', 'python')
     };
+    let environments: PythonExtension['environments'];
     setup(() => {
         jupyterPaths = mock<JupyterPaths>();
         when(jupyterPaths.getKernelSpecRootPath()).thenResolve();
@@ -62,6 +65,20 @@ suite('Interpreter Kernel Spec Finder Helper', () => {
             version: { major: 3, minor: 10, patch: 0, raw: '3.10.0' }
         };
         disposables.push(helper);
+        const mockedApi = mock<PythonExtension>();
+        sinon.stub(PythonExtension, 'api').resolves(resolvableInstance(mockedApi));
+        disposables.push({ dispose: () => sinon.restore() });
+        environments = mock<PythonExtension['environments']>();
+        when(mockedApi.environments).thenReturn(instance(environments));
+        when(environments.resolveEnvironment(venvInterpreter.id)).thenResolve({
+            executable: { sysPrefix: 'home/venvPython' }
+        } as any);
+        when(environments.resolveEnvironment(condaInterpreter.id)).thenResolve({
+            executable: { sysPrefix: 'home/conda' }
+        } as any);
+        when(environments.resolveEnvironment(globalInterpreter.id)).thenResolve({
+            executable: { sysPrefix: 'home/global' }
+        } as any);
     });
     teardown(() => (disposables = dispose(disposables)));
 
diff --git a/src/kernels/raw/finder/localPythonAndRelatedNonPythonKernelSpecFinder.node.unit.test.ts b/src/kernels/raw/finder/localPythonAndRelatedNonPythonKernelSpecFinder.node.unit.test.ts
index e9a7529bbae..096e68445ff 100644
--- a/src/kernels/raw/finder/localPythonAndRelatedNonPythonKernelSpecFinder.node.unit.test.ts
+++ b/src/kernels/raw/finder/localPythonAndRelatedNonPythonKernelSpecFinder.node.unit.test.ts
@@ -24,12 +24,13 @@ import { PythonEnvironment } from '../../../platform/pythonEnvironments/info';
 import { noop } from '../../../platform/common/utils/misc';
 import { createInterpreterKernelSpec, getKernelId } from '../../helpers';
 import { deserializePythonEnvironment, serializePythonEnvironment } from '../../../platform/api/pythonApi';
-import { uriEquals } from '../../../test/datascience/helpers';
+import { resolvableInstance, uriEquals } from '../../../test/datascience/helpers';
 import { traceInfo } from '../../../platform/logging';
 import { sleep } from '../../../test/core';
 import { localPythonKernelsCacheKey } from './interpreterKernelSpecFinderHelper.node';
 import { mockedVSCodeNamespaces } from '../../../test/vscode-mock';
 import { ResourceMap } from '../../../platform/common/utils/map';
+import { PythonExtension } from '@vscode/python-extension';
 
 suite(`Local Python and related kernels`, async () => {
     let finder: LocalPythonAndRelatedNonPythonKernelSpecFinder;
@@ -230,6 +231,24 @@ suite(`Local Python and related kernels`, async () => {
         });
         disposables.push(new Disposable(() => loadKernelSpecStub.restore()));
         traceInfo(`Start Test (completed) ${this.currentTest?.title}`);
+
+        const mockedApi = mock<PythonExtension>();
+        sinon.stub(PythonExtension, 'api').resolves(resolvableInstance(mockedApi));
+        disposables.push({ dispose: () => sinon.restore() });
+        const environments = mock<PythonExtension['environments']>();
+        when(mockedApi.environments).thenReturn(instance(environments));
+        when(environments.resolveEnvironment(pythonKernelSpec.id)).thenResolve({
+            executable: { sysPrefix: 'home/python' }
+        } as any);
+        when(environments.resolveEnvironment(condaInterpreter.id)).thenResolve({
+            executable: { sysPrefix: 'home/conda' }
+        } as any);
+        when(environments.resolveEnvironment(globalInterpreter.id)).thenResolve({
+            executable: { sysPrefix: 'home/global' }
+        } as any);
+        when(environments.resolveEnvironment(venvInterpreter.id)).thenResolve({
+            executable: { sysPrefix: 'home/venvPython' }
+        } as any);
     });
     teardown(async function () {
         traceInfo(`Ended Test (completed) ${this.currentTest?.title}`);
diff --git a/src/notebooks/controllers/ipywidgets/scriptSourceProvider/nbExtensionsPathProvider.node.ts b/src/notebooks/controllers/ipywidgets/scriptSourceProvider/nbExtensionsPathProvider.node.ts
index c9df41ef667..986e28515fb 100644
--- a/src/notebooks/controllers/ipywidgets/scriptSourceProvider/nbExtensionsPathProvider.node.ts
+++ b/src/notebooks/controllers/ipywidgets/scriptSourceProvider/nbExtensionsPathProvider.node.ts
@@ -5,6 +5,7 @@ import { injectable } from 'inversify';
 import { Uri } from 'vscode';
 import { IKernel } from '../../../../kernels/types';
 import { INbExtensionsPathProvider } from '../types';
+import { getSysPrefix } from '../../../../platform/interpreter/helpers';
 
 /**
  * Returns the path to the nbExtensions folder for a given kernel (node)
@@ -18,11 +19,11 @@ export class NbExtensionsPathProvider implements INbExtensionsPathProvider {
                 return Uri.parse(kernel.kernelConnectionMetadata.baseUrl);
             }
             case 'startUsingPythonInterpreter': {
-                return Uri.joinPath(
-                    Uri.file(kernel.kernelConnectionMetadata.interpreter.sysPrefix),
-                    'share',
-                    'jupyter'
-                );
+                const sysPrefix = await getSysPrefix(kernel.kernelConnectionMetadata.interpreter);
+                if (!sysPrefix) {
+                    return;
+                }
+                return Uri.joinPath(Uri.file(sysPrefix), 'share', 'jupyter');
             }
             default: {
                 // We haven't come across scenarios with non-python kernels that use widgets
diff --git a/src/notebooks/controllers/ipywidgets/scriptSourceProvider/nbExtensionsPathProvider.unit.test.ts b/src/notebooks/controllers/ipywidgets/scriptSourceProvider/nbExtensionsPathProvider.unit.test.ts
index 033667ac28f..337c9d30728 100644
--- a/src/notebooks/controllers/ipywidgets/scriptSourceProvider/nbExtensionsPathProvider.unit.test.ts
+++ b/src/notebooks/controllers/ipywidgets/scriptSourceProvider/nbExtensionsPathProvider.unit.test.ts
@@ -4,6 +4,7 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
 import * as path from '../../../../platform/vscode-path/path';
+import * as sinon from 'sinon';
 import { assert } from 'chai';
 import { when, mock, instance } from 'ts-mockito';
 import { Uri } from 'vscode';
@@ -19,6 +20,9 @@ import {
 import { INbExtensionsPathProvider } from '../types';
 import { NbExtensionsPathProvider } from './nbExtensionsPathProvider.node';
 import { NbExtensionsPathProvider as WebNbExtensionsPathProvider } from './nbExtensionsPathProvider.web';
+import { PythonExtension } from '@vscode/python-extension';
+import { resolvableInstance } from '../../../../test/datascience/helpers';
+import { dispose } from '../../../../platform/common/utils/lifecycle';
 
 [false, true].forEach((isWeb) => {
     const localNonPythonKernelSpec = LocalKernelSpecConnectionMetadata.create({
@@ -26,9 +30,10 @@ import { NbExtensionsPathProvider as WebNbExtensionsPathProvider } from './nbExt
         kernelSpec: mock<IJupyterKernelSpec>()
     });
     const localPythonKernelSpec = PythonKernelConnectionMetadata.create({
-        id: '',
+        id: 'localPythonKernelSpec',
         kernelSpec: mock<IJupyterKernelSpec>(),
         interpreter: {
+            id: 'interpreterId',
             sysPrefix: __dirname
         } as any
     });
@@ -48,10 +53,23 @@ import { NbExtensionsPathProvider as WebNbExtensionsPathProvider } from './nbExt
     suite(`NBExtension Path Provider for ${isWeb ? 'Web' : 'Node'}`, () => {
         let provider: INbExtensionsPathProvider;
         let kernel: IKernel;
+        let disposables: { dispose(): void }[] = [];
         setup(() => {
             kernel = mock<IKernel>();
             provider = isWeb ? new WebNbExtensionsPathProvider() : new NbExtensionsPathProvider();
+            const mockedApi = mock<PythonExtension>();
+            sinon.stub(PythonExtension, 'api').resolves(resolvableInstance(mockedApi));
+            disposables.push({ dispose: () => sinon.restore() });
+            const environments = mock<PythonExtension['environments']>();
+            when(mockedApi.environments).thenReturn(instance(environments));
+            when(environments.resolveEnvironment(localPythonKernelSpec.interpreter.id)).thenResolve({
+                executable: { sysPrefix: __dirname }
+            } as any);
+        });
+        teardown(() => {
+            disposables = dispose(disposables);
         });
+
         test('Returns base url for local non-python kernelspec', async () => {
             when(kernel.kernelConnectionMetadata).thenReturn(localNonPythonKernelSpec);
             assert.isUndefined(await provider.getNbExtensionsParentPath(instance(kernel)));
@@ -62,10 +80,7 @@ import { NbExtensionsPathProvider as WebNbExtensionsPathProvider } from './nbExt
             if (isWeb) {
                 assert.isUndefined(baseUrl);
             } else {
-                assert.strictEqual(
-                    baseUrl?.toString(),
-                    Uri.file(path.join(localPythonKernelSpec.interpreter.sysPrefix, 'share', 'jupyter')).toString()
-                );
+                assert.strictEqual(baseUrl?.toString(), Uri.file(path.join(__dirname, 'share', 'jupyter')).toString());
             }
         });
         test('Returns base url for remote kernelspec', async () => {
diff --git a/src/platform/api/pythonApi.ts b/src/platform/api/pythonApi.ts
index d553eaee362..02813775d4d 100644
--- a/src/platform/api/pythonApi.ts
+++ b/src/platform/api/pythonApi.ts
@@ -40,7 +40,7 @@ import { PythonExtensionActicationFailedError } from '../errors/pythonExtActivat
 import { PythonExtensionApiNotExportedError } from '../errors/pythonExtApiNotExportedError';
 import { getOSType, OSType } from '../common/utils/platform';
 import { SemVer } from 'semver';
-import { getEnvironmentType } from '../interpreter/helpers';
+import { getEnvironmentType, setPythonApi } from '../interpreter/helpers';
 import { getWorkspaceFolderIdentifier } from '../common/application/workspace.base';
 
 export function deserializePythonEnvironment(
@@ -250,6 +250,9 @@ export class OldPythonApiProvider implements IPythonApiProvider {
         if (extension?.packageJSON?.version) {
             this._pythonExtensionVersion = new SemVer(extension?.packageJSON?.version);
         }
+        if (extension?.exports) {
+            setPythonApi(extension.exports);
+        }
         return extension?.exports;
     }
 
diff --git a/src/platform/interpreter/helpers.ts b/src/platform/interpreter/helpers.ts
index 4bd2d0aeee1..37d9e961467 100644
--- a/src/platform/interpreter/helpers.ts
+++ b/src/platform/interpreter/helpers.ts
@@ -4,7 +4,9 @@
 import { EnvironmentType, PythonEnvironment } from '../pythonEnvironments/info';
 import { getTelemetrySafeVersion } from '../telemetry/helpers';
 import { basename } from '../../platform/vscode-path/resources';
-import { Environment, KnownEnvironmentTools, KnownEnvironmentTypes } from '@vscode/python-extension';
+import { Environment, KnownEnvironmentTools, KnownEnvironmentTypes, PythonExtension } from '@vscode/python-extension';
+import { traceWarning } from '../logging';
+import { getDisplayPath } from '../common/platform/fs-paths';
 
 export function getPythonEnvDisplayName(interpreter: PythonEnvironment | Environment) {
     if ('executable' in interpreter) {
@@ -101,3 +103,56 @@ export function getEnvironmentType(env: Environment): EnvironmentType {
 export function isCondaEnvironmentWithoutPython(env: Environment) {
     return getEnvironmentType(env) === EnvironmentType.Conda && !env.executable.uri;
 }
+
+export async function getInterpreterInfo(interpreter?: { id: string }) {
+    if (!interpreter?.id) {
+        return;
+    }
+    const api = await PythonExtension.api();
+    return api.environments.resolveEnvironment(interpreter.id);
+}
+
+let pythonApi: PythonExtension;
+export function setPythonApi(api: PythonExtension) {
+    pythonApi = api;
+}
+
+export function getCachedInterpreterInfo(interpreter?: { id: string }) {
+    if (!interpreter) {
+        return;
+    }
+    if (!pythonApi) {
+        throw new Error('Python API not initialized');
+    }
+    return pythonApi.environments.known.find((i) => i.id === interpreter.id);
+}
+
+export async function getSysPrefix(interpreter?: { id: string }) {
+    if (!interpreter?.id) {
+        return;
+    }
+    if (pythonApi) {
+        const cachedInfo = pythonApi.environments.known.find((i) => i.id === interpreter.id);
+        if (cachedInfo?.executable?.sysPrefix) {
+            return cachedInfo.executable.sysPrefix;
+        }
+    }
+
+    const api = await PythonExtension.api();
+    const sysPrefix = await api.environments.resolveEnvironment(interpreter.id).then((i) => i?.executable?.sysPrefix);
+    if (!sysPrefix) {
+        traceWarning(`Unable to find sysPrefix for interpreter ${getDisplayPath(interpreter.id)}`);
+    }
+    return sysPrefix;
+}
+
+export function getCachedSysPrefix(interpreter?: { id: string }) {
+    if (!interpreter?.id) {
+        return;
+    }
+    if (!pythonApi) {
+        throw new Error('Python API not initialized');
+    }
+    const cachedInfo = pythonApi.environments.known.find((i) => i.id === interpreter.id);
+    return cachedInfo?.executable?.sysPrefix;
+}