diff --git a/package-lock.json b/package-lock.json
index 045e28f44..3969be269 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -116,6 +116,7 @@
         "tinykeys": "2.1.0",
         "underscore": "1.12.1",
         "utility-types": "3.10.0",
+        "uuid": "9.0.0",
         "zustand": "3.5.0"
       },
       "devDependencies": {
@@ -626,6 +627,14 @@
         }
       }
     },
+    "node_modules/@azure/ms-rest-js/node_modules/uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/@azure/ms-rest-js/node_modules/xml2js": {
       "version": "0.5.0",
       "license": "MIT",
@@ -685,6 +694,14 @@
         "node": ">=0.8.0"
       }
     },
+    "node_modules/@azure/msal-node/node_modules/uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/@babel/code-frame": {
       "version": "7.24.7",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.24.7.tgz",
@@ -7595,6 +7612,14 @@
         "uuid": "^8.0.0"
       }
     },
+    "node_modules/@nteract/commutable/node_modules/uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/@nteract/connected-components": {
       "version": "6.8.2",
       "license": "BSD-3-Clause",
@@ -9125,6 +9150,14 @@
         "uuid": "^8.0.0"
       }
     },
+    "node_modules/@nteract/fixtures/node_modules/uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/@nteract/iron-icons": {
       "version": "1.0.0",
       "license": "BSD-3-Clause",
@@ -9282,6 +9315,14 @@
         "uuid": "^8.0.0"
       }
     },
+    "node_modules/@nteract/messaging/node_modules/uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/@nteract/monaco-editor": {
       "version": "3.2.2",
       "license": "BSD-3-Clause",
@@ -9397,6 +9438,14 @@
       "version": "0.18.1",
       "license": "MIT"
     },
+    "node_modules/@nteract/monaco-editor/node_modules/uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/@nteract/mythic-configuration": {
       "version": "1.0.12",
       "license": "BSD-3-Clause",
@@ -9665,6 +9714,14 @@
         "uuid": "^8.0.0"
       }
     },
+    "node_modules/@nteract/reducers/node_modules/uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/@nteract/selectors": {
       "version": "3.2.0",
       "license": "BSD-3-Clause",
@@ -9888,6 +9945,14 @@
         "uuid": "^8.0.0"
       }
     },
+    "node_modules/@nteract/types/node_modules/uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/@octokit/auth-token": {
       "version": "4.0.0",
       "license": "MIT",
@@ -26419,6 +26484,15 @@
         "xmlbuilder": "^15.1.0"
       }
     },
+    "node_modules/jest-trx-results-processor/node_modules/uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+      "dev": true,
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/jest-util": {
       "version": "24.9.0",
       "license": "MIT",
@@ -33753,6 +33827,15 @@
         "websocket-driver": "^0.7.4"
       }
     },
+    "node_modules/sockjs/node_modules/uuid": {
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+      "dev": true,
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/source-map": {
       "version": "0.5.7",
       "license": "BSD-3-Clause",
@@ -35619,8 +35702,9 @@
       }
     },
     "node_modules/uuid": {
-      "version": "8.3.2",
-      "license": "MIT",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-9.0.0.tgz",
+      "integrity": "sha512-MXcSTerfPa4uqyzStbRoTgt5XIe3x5+42+q1sDuy3R5MDk66URdLMOZe5aPX/SQd+kuYAh0FdP/pO28IkQyTeg==",
       "bin": {
         "uuid": "dist/bin/uuid"
       }
diff --git a/package.json b/package.json
index 451da877d..ad7fd5e19 100644
--- a/package.json
+++ b/package.json
@@ -46,8 +46,8 @@
     "@types/mkdirp": "1.0.1",
     "@types/node-fetch": "2.5.7",
     "@xmldom/xmldom": "0.7.13",
-    "@xterm/xterm": "5.5.0",
     "@xterm/addon-fit": "0.10.0",
+    "@xterm/xterm": "5.5.0",
     "allotment": "1.20.2",
     "applicationinsights": "1.8.0",
     "bootstrap": "3.4.1",
@@ -111,6 +111,7 @@
     "tinykeys": "2.1.0",
     "underscore": "1.12.1",
     "utility-types": "3.10.0",
+    "uuid": "9.0.0",
     "zustand": "3.5.0"
   },
   "devDependencies": {
@@ -248,4 +249,4 @@
     "printWidth": 120,
     "endOfLine": "auto"
   }
-}
\ No newline at end of file
+}
diff --git a/src/Common/Constants.ts b/src/Common/Constants.ts
index 802bfd590..65b3f8d51 100644
--- a/src/Common/Constants.ts
+++ b/src/Common/Constants.ts
@@ -297,6 +297,7 @@ export class HttpHeaders {
   public static migrateOfferToManualThroughput: string = "x-ms-cosmos-migrate-offer-to-manual-throughput";
   public static migrateOfferToAutopilot: string = "x-ms-cosmos-migrate-offer-to-autopilot";
   public static xAPIKey: string = "X-API-Key";
+  public static sessionId: string = "x-ms-client-session-id";
 }
 
 export class ContentType {
diff --git a/src/Common/MongoProxyClient.ts b/src/Common/MongoProxyClient.ts
index 298b9268d..48eef3a48 100644
--- a/src/Common/MongoProxyClient.ts
+++ b/src/Common/MongoProxyClient.ts
@@ -17,6 +17,7 @@ const defaultHeaders = {
   [HttpHeaders.apiType]: ApiType.MongoDB.toString(),
   [CosmosSDKConstants.HttpHeaders.MaxEntityCount]: "100",
   [CosmosSDKConstants.HttpHeaders.Version]: "2017-11-15",
+  [HttpHeaders.sessionId]: userContext.sessionId,
 };
 
 function authHeaders() {
diff --git a/src/Contracts/ViewModels.ts b/src/Contracts/ViewModels.ts
index 1ea0f2075..99ff76f9d 100644
--- a/src/Contracts/ViewModels.ts
+++ b/src/Contracts/ViewModels.ts
@@ -446,6 +446,7 @@ export interface DataExplorerInputsFrame {
   feedbackPolicies?: any;
   aadToken?: string;
   containerCopyEnabled?: boolean;
+  sessionId?: string;
 }
 
 export interface SelfServeFrameInputs {
diff --git a/src/Explorer/Panes/SettingsPane/SettingsPane.test.tsx b/src/Explorer/Panes/SettingsPane/SettingsPane.test.tsx
index 25b0167f5..f3b72870b 100644
--- a/src/Explorer/Panes/SettingsPane/SettingsPane.test.tsx
+++ b/src/Explorer/Panes/SettingsPane/SettingsPane.test.tsx
@@ -5,6 +5,12 @@ import { updateUserContext } from "../../../UserContext";
 import { SettingsPane } from "./SettingsPane";
 
 describe("Settings Pane", () => {
+  beforeEach(() => {
+    updateUserContext({
+      sessionId: "1234-5678",
+    });
+  });
+
   it("should render Default properly", () => {
     const wrapper = shallow(<SettingsPane explorer={null} />);
     expect(wrapper).toMatchSnapshot();
diff --git a/src/Explorer/Panes/SettingsPane/SettingsPane.tsx b/src/Explorer/Panes/SettingsPane/SettingsPane.tsx
index 2e89418d8..bbf4c1438 100644
--- a/src/Explorer/Panes/SettingsPane/SettingsPane.tsx
+++ b/src/Explorer/Panes/SettingsPane/SettingsPane.tsx
@@ -212,6 +212,7 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
   const styles = useStyles();
 
   const explorerVersion = configContext.gitSha;
+  const sessionId: string = userContext.sessionId;
   const isEmulator = configContext.platform === Platform.Emulator;
   const shouldShowQueryPageOptions = userContext.apiType === "SQL";
   const showRetrySettings =
@@ -1227,6 +1228,12 @@ export const SettingsPane: FunctionComponent<{ explorer: Explorer }> = ({
             <div>{explorerVersion}</div>
           </div>
         </div>
+        <div className="settingsSection">
+          <div className="settingsSectionPart">
+            <div className="settingsSectionLabel">Session ID</div>
+            <div>{sessionId}</div>
+          </div>
+        </div>
       </div>
     </RightPaneForm>
   );
diff --git a/src/Explorer/Panes/SettingsPane/__snapshots__/SettingsPane.test.tsx.snap b/src/Explorer/Panes/SettingsPane/__snapshots__/SettingsPane.test.tsx.snap
index 022cc8647..ca0243ec7 100644
--- a/src/Explorer/Panes/SettingsPane/__snapshots__/SettingsPane.test.tsx.snap
+++ b/src/Explorer/Panes/SettingsPane/__snapshots__/SettingsPane.test.tsx.snap
@@ -649,6 +649,22 @@ exports[`Settings Pane should render Default properly 1`] = `
         <div />
       </div>
     </div>
+    <div
+      className="settingsSection"
+    >
+      <div
+        className="settingsSectionPart"
+      >
+        <div
+          className="settingsSectionLabel"
+        >
+          Session ID
+        </div>
+        <div>
+          1234-5678
+        </div>
+      </div>
+    </div>
   </div>
 </RightPaneForm>
 `;
@@ -958,6 +974,22 @@ exports[`Settings Pane should render Gremlin properly 1`] = `
         <div />
       </div>
     </div>
+    <div
+      className="settingsSection"
+    >
+      <div
+        className="settingsSectionPart"
+      >
+        <div
+          className="settingsSectionLabel"
+        >
+          Session ID
+        </div>
+        <div>
+          1234-5678
+        </div>
+      </div>
+    </div>
   </div>
 </RightPaneForm>
 `;
diff --git a/src/Explorer/Tables/TableDataClient.ts b/src/Explorer/Tables/TableDataClient.ts
index ff2d9a5ea..631e19e88 100644
--- a/src/Explorer/Tables/TableDataClient.ts
+++ b/src/Explorer/Tables/TableDataClient.ts
@@ -286,7 +286,7 @@ export class CassandraAPIDataClient extends TableDataClient {
           query,
           paginationToken,
         }),
-        beforeSend: this.setAuthorizationHeader as any,
+        beforeSend: this.setCommonHeaders as any,
         cache: false,
       });
       shouldNotify &&
@@ -440,7 +440,7 @@ export class CassandraAPIDataClient extends TableDataClient {
         keyspaceId: collection.databaseId,
         tableId: collection.id(),
       }),
-      beforeSend: this.setAuthorizationHeader as any,
+      beforeSend: this.setCommonHeaders as any,
       cache: false,
     })
       .then(
@@ -482,7 +482,7 @@ export class CassandraAPIDataClient extends TableDataClient {
         keyspaceId: collection.databaseId,
         tableId: collection.id(),
       }),
-      beforeSend: this.setAuthorizationHeader as any,
+      beforeSend: this.setCommonHeaders as any,
       cache: false,
     })
       .then(
@@ -518,7 +518,7 @@ export class CassandraAPIDataClient extends TableDataClient {
         resourceId: resourceId,
         query: query,
       }),
-      beforeSend: this.setAuthorizationHeader as any,
+      beforeSend: this.setCommonHeaders as any,
       cache: false,
     }).then(
       (data: any) => {
@@ -547,7 +547,7 @@ export class CassandraAPIDataClient extends TableDataClient {
     return cassandraEndpoint;
   }
 
-  private setAuthorizationHeader: (xhr: XMLHttpRequest) => boolean = (xhr: XMLHttpRequest): boolean => {
+  private setCommonHeaders: (xhr: XMLHttpRequest) => boolean = (xhr: XMLHttpRequest): boolean => {
     const authorizationHeaderMetadata: ViewModels.AuthorizationTokenHeaderMetadata = getAuthorizationHeader();
     xhr.setRequestHeader(authorizationHeaderMetadata.header, authorizationHeaderMetadata.token);
 
@@ -555,6 +555,7 @@ export class CassandraAPIDataClient extends TableDataClient {
       xhr.setRequestHeader(Constants.HttpHeaders.entraIdToken, userContext.aadToken);
     }
 
+    xhr.setRequestHeader(Constants.HttpHeaders.sessionId, userContext.sessionId);
     return true;
   };
 
diff --git a/src/UserContext.ts b/src/UserContext.ts
index ecc4f5807..a495b9971 100644
--- a/src/UserContext.ts
+++ b/src/UserContext.ts
@@ -4,6 +4,7 @@ import { Action } from "Shared/Telemetry/TelemetryConstants";
 import { traceOpen } from "Shared/Telemetry/TelemetryProcessor";
 import { useCarousel } from "hooks/useCarousel";
 import { usePostgres } from "hooks/usePostgres";
+import { v4 as uuidv4 } from "uuid";
 import { AuthType } from "./AuthType";
 import { DatabaseAccount } from "./Contracts/DataModels";
 import { SubscriptionType } from "./Contracts/SubscriptionType";
@@ -118,6 +119,7 @@ export interface UserContext {
   readonly dataPlaneRbacEnabled?: boolean;
   readonly refreshCosmosClient?: boolean;
   throughputBucketsEnabled?: boolean;
+  readonly sessionId: string;
 }
 
 export type ApiType = "SQL" | "Mongo" | "Gremlin" | "Tables" | "Cassandra" | "Postgres" | "VCoreMongo";
@@ -135,6 +137,7 @@ const userContext: UserContext = {
   features,
   subscriptionType: CollectionCreation.DefaultSubscriptionType,
   collectionCreationDefaults: CollectionCreationDefaults,
+  sessionId: uuidv4(), // Default sessionId - will be overwritten if provided by host
 };
 
 export function isAccountNewerThanThresholdInMs(createdAt: string, threshold: number) {
diff --git a/src/hooks/useKnockoutExplorer.ts b/src/hooks/useKnockoutExplorer.ts
index 3e5546f80..b2aa588be 100644
--- a/src/hooks/useKnockoutExplorer.ts
+++ b/src/hooks/useKnockoutExplorer.ts
@@ -85,6 +85,7 @@ export function useKnockoutExplorer(platform: Platform): Explorer {
           userContext.features.phoenixNotebooks = true;
           userContext.features.phoenixFeatures = true;
         }
+
         let explorer: Explorer;
         if (platform === Platform.Hosted) {
           explorer = await configureHosted();
@@ -927,6 +928,7 @@ function updateContextsFromPortalMessage(inputs: DataExplorerInputsFrame) {
     collectionCreationDefaults: inputs.defaultCollectionThroughput,
     isTryCosmosDBSubscription: inputs.isTryCosmosDBSubscription,
     feedbackPolicies: inputs.feedbackPolicies,
+    ...(inputs.sessionId && { sessionId: inputs.sessionId }), // Remove conditional once Portal sends sessionId
   });
 
   if (inputs.isPostgresAccount) {