diff --git a/src/.env.example b/src/.env.example
index 2ebc01512..646879352 100644
--- a/src/.env.example
+++ b/src/.env.example
@@ -64,4 +64,10 @@ AZURE_STORAGE_ACCOUNT_NAME=azurechat
 AZURE_STORAGE_ACCOUNT_KEY=123456
 
 # Azure Key Vault to store secrets
-AZURE_KEY_VAULT_NAME=
\ No newline at end of file
+AZURE_KEY_VAULT_NAME=
+
+# optional - endpoint suffix overrides - typically used for Azure Government Clouds, China Clouds, etc. Only use if required.
+# AZURE_OPENAI_API_ENDPOINT_SUFFIX=
+# AZURE_SEARCH_ENDPOINT_SUFFIX=
+# AZURE_STORAGE_ENDPOINT_SUFFIX=
+# AZURE_KEY_VAULT_ENDPOINT_SUFFIX=
\ No newline at end of file
diff --git a/src/features/chat-page/chat-services/azure-ai-search/azure-ai-search.ts b/src/features/chat-page/chat-services/azure-ai-search/azure-ai-search.ts
index d2b3c6398..b6d26679f 100644
--- a/src/features/chat-page/chat-services/azure-ai-search/azure-ai-search.ts
+++ b/src/features/chat-page/chat-services/azure-ai-search/azure-ai-search.ts
@@ -129,8 +129,9 @@ export const ExtensionSimilaritySearch = async (props: {
       input: searchText,
       model: "",
     });
+    const endpointSuffix = process.env.AZURE_SEARCH_ENDPOINT_SUFFIX || "search.windows.net";
 
-    const endpoint = `https://${searchName}.search.windows.net`;
+    const endpoint = `https://${searchName}.${endpointSuffix}`;
 
     const searchClient = new SearchClient(
       endpoint,
diff --git a/src/features/common/services/ai-search.ts b/src/features/common/services/ai-search.ts
index 187cac299..86b669e04 100644
--- a/src/features/common/services/ai-search.ts
+++ b/src/features/common/services/ai-search.ts
@@ -15,8 +15,9 @@ export const AzureAISearchCredentials = () => {
       "One or more Azure AI Search environment variables are not set"
     );
   }
+  const endpointSuffix = process.env.AZURE_SEARCH_ENDPOINT_SUFFIX || "search.windows.net";
 
-  const endpoint = `https://${searchName}.search.windows.net`;
+  const endpoint = `https://${searchName}.${endpointSuffix}`;
   return {
     apiKey,
     endpoint,
diff --git a/src/features/common/services/azure-storage.ts b/src/features/common/services/azure-storage.ts
index 0cc026426..42e0eaffe 100644
--- a/src/features/common/services/azure-storage.ts
+++ b/src/features/common/services/azure-storage.ts
@@ -10,8 +10,9 @@ const InitBlobServiceClient = () => {
     throw new Error(
       "Azure Storage Account not configured correctly, check environment variables."
     );
+  const endpointSuffix = process.env.AZURE_STORAGE_ENDPOINT_SUFFIX || "core.windows.net";
 
-  const connectionString = `DefaultEndpointsProtocol=https;AccountName=${acc};AccountKey=${key};EndpointSuffix=core.windows.net`;
+  const connectionString = `DefaultEndpointsProtocol=https;AccountName=${acc};AccountKey=${key};EndpointSuffix=${endpointSuffix}`;
 
   const blobServiceClient =
     BlobServiceClient.fromConnectionString(connectionString);
diff --git a/src/features/common/services/key-vault.ts b/src/features/common/services/key-vault.ts
index 0a0b09580..7f821b642 100644
--- a/src/features/common/services/key-vault.ts
+++ b/src/features/common/services/key-vault.ts
@@ -10,7 +10,8 @@ export const AzureKeyVaultInstance = () => {
       "Azure Key vault is not configured correctly, check environment variables."
     );
   }
-  const url = `https://${keyVaultName}.vault.azure.net`;
+  const endpointSuffix = process.env.AZURE_KEY_VAULT_ENDPOINT_SUFFIX || "vault.azure.net";
+  const url = `https://${keyVaultName}.${endpointSuffix}`;
 
   return new SecretClient(url, credential);
 };
diff --git a/src/features/common/services/openai.ts b/src/features/common/services/openai.ts
index c7437184d..0e44a4523 100644
--- a/src/features/common/services/openai.ts
+++ b/src/features/common/services/openai.ts
@@ -1,9 +1,10 @@
 import { OpenAI } from "openai";
 
 export const OpenAIInstance = () => {
+  const endpointSuffix = process.env.AZURE_OPENAI_API_ENDPOINT_SUFFIX || "openai.azure.com";
   const openai = new OpenAI({
     apiKey: process.env.AZURE_OPENAI_API_KEY,
-    baseURL: `https://${process.env.AZURE_OPENAI_API_INSTANCE_NAME}.openai.azure.com/openai/deployments/${process.env.AZURE_OPENAI_API_DEPLOYMENT_NAME}`,
+    baseURL: `https://${process.env.AZURE_OPENAI_API_INSTANCE_NAME}.${endpointSuffix}/openai/deployments/${process.env.AZURE_OPENAI_API_DEPLOYMENT_NAME}`,
     defaultQuery: { "api-version": process.env.AZURE_OPENAI_API_VERSION },
     defaultHeaders: { "api-key": process.env.AZURE_OPENAI_API_KEY },
   });
@@ -20,10 +21,11 @@ export const OpenAIEmbeddingInstance = () => {
       "Azure OpenAI Embeddings endpoint config is not set, check environment variables."
     );
   }
+  const endpointSuffix = process.env.AZURE_OPENAI_API_ENDPOINT_SUFFIX || "openai.azure.com";
 
   const openai = new OpenAI({
     apiKey: process.env.AZURE_OPENAI_API_KEY,
-    baseURL: `https://${process.env.AZURE_OPENAI_API_INSTANCE_NAME}.openai.azure.com/openai/deployments/${process.env.AZURE_OPENAI_API_EMBEDDINGS_DEPLOYMENT_NAME}`,
+    baseURL: `https://${process.env.AZURE_OPENAI_API_INSTANCE_NAME}.${endpointSuffix}/openai/deployments/${process.env.AZURE_OPENAI_API_EMBEDDINGS_DEPLOYMENT_NAME}`,
     defaultQuery: { "api-version": process.env.AZURE_OPENAI_API_VERSION },
     defaultHeaders: { "api-key": process.env.AZURE_OPENAI_API_KEY },
   });
@@ -41,10 +43,11 @@ export const OpenAIDALLEInstance = () => {
       "Azure OpenAI DALLE endpoint config is not set, check environment variables."
     );
   }
+  const endpointSuffix = process.env.AZURE_OPENAI_API_ENDPOINT_SUFFIX || "openai.azure.com";
 
   const openai = new OpenAI({
     apiKey: process.env.AZURE_OPENAI_DALLE_API_KEY,
-    baseURL: `https://${process.env.AZURE_OPENAI_DALLE_API_INSTANCE_NAME}.openai.azure.com/openai/deployments/${process.env.AZURE_OPENAI_DALLE_API_DEPLOYMENT_NAME}`,
+    baseURL: `https://${process.env.AZURE_OPENAI_DALLE_API_INSTANCE_NAME}.${endpointSuffix}/openai/deployments/${process.env.AZURE_OPENAI_DALLE_API_DEPLOYMENT_NAME}`,
     defaultQuery: {
       "api-version":
         process.env.AZURE_OPENAI_DALLE_API_VERSION || "2023-12-01-preview",