diff --git a/sdk/communication/communication-administration/samples/javascript/README.md b/sdk/communication/communication-administration/samples/javascript/README.md
index d16305e747ac..7c8af2274fe5 100644
--- a/sdk/communication/communication-administration/samples/javascript/README.md
+++ b/sdk/communication/communication-administration/samples/javascript/README.md
@@ -47,7 +47,7 @@ node issueToken.js
 Alternatively, run a single sample with the correct environment variables set (step 3 is not required if you do this), for example (cross-platform):
 
 ```bash
-npx cross-env CONNECTION_STRING="<connection string>" node issueToken.js
+npx cross-env COMMUNICATION_CONNECTION_STRING="<connection string>" node issueToken.js
 ```
 
 ## Next Steps
diff --git a/sdk/communication/communication-administration/samples/javascript/issueToken.js b/sdk/communication/communication-administration/samples/javascript/issueToken.js
index db295a7913c7..08268cf684fb 100644
--- a/sdk/communication/communication-administration/samples/javascript/issueToken.js
+++ b/sdk/communication/communication-administration/samples/javascript/issueToken.js
@@ -14,7 +14,7 @@ dotenv.config();
 
 // You will need to set this environment variables or edit the following values
 const connectionString =
-  process.env["CONNECTION_STRING"] || "<communication service connection string>";
+  process.env["COMMUNICATION_CONNECTION_STRING"] || "<communication service connection string>";
 
 async function main() {
   console.log("== Issue Token Sample ==");
diff --git a/sdk/communication/communication-administration/samples/javascript/revokeTokens.js b/sdk/communication/communication-administration/samples/javascript/revokeTokens.js
index 13dabb722451..90b256e4ab6f 100644
--- a/sdk/communication/communication-administration/samples/javascript/revokeTokens.js
+++ b/sdk/communication/communication-administration/samples/javascript/revokeTokens.js
@@ -14,7 +14,7 @@ dotenv.config();
 
 // You will need to set this environment variables or edit the following values
 const connectionString =
-  process.env["CONNECTION_STRING"] || "<communication service connection string>";
+  process.env["COMMUNICATION_CONNECTION_STRING"] || "<communication service connection string>";
 
 async function main() {
   console.log("== Issue Token Sample ==");
diff --git a/sdk/communication/communication-administration/samples/javascript/sample.env b/sdk/communication/communication-administration/samples/javascript/sample.env
index 1ba7d7b92f1f..87b7cca169c9 100644
--- a/sdk/communication/communication-administration/samples/javascript/sample.env
+++ b/sdk/communication/communication-administration/samples/javascript/sample.env
@@ -1,3 +1,3 @@
 # Used in most samples. Retrieve these values from a Communication Service instance
 # in the Azure Portal.
-CONNECTION_STRING="endpoint=https://<resource name>.communication.azure.net/;accessKey=<key>"
\ No newline at end of file
+COMMUNICATION_CONNECTION_STRING="endpoint=https://<resource name>.communication.azure.net/;accessKey=<key>"
diff --git a/sdk/communication/communication-administration/samples/typescript/README.md b/sdk/communication/communication-administration/samples/typescript/README.md
index 5a42c036f75c..44ab8bcce8c7 100644
--- a/sdk/communication/communication-administration/samples/typescript/README.md
+++ b/sdk/communication/communication-administration/samples/typescript/README.md
@@ -53,7 +53,7 @@ node dist/issueToken.js
 Alternatively, run a single sample with the correct environment variables set (step 3 is not required if you do this), for example (cross-platform):
 
 ```bash
-npx cross-env CONNECTION_STRING="<connection string>" node dist/issueToken.js
+npx cross-env COMMUNICATION_CONNECTION_STRING="<connection string>" node dist/issueToken.js
 ```
 
 ## Next Steps
diff --git a/sdk/communication/communication-administration/samples/typescript/sample.env b/sdk/communication/communication-administration/samples/typescript/sample.env
index 1ba7d7b92f1f..87b7cca169c9 100644
--- a/sdk/communication/communication-administration/samples/typescript/sample.env
+++ b/sdk/communication/communication-administration/samples/typescript/sample.env
@@ -1,3 +1,3 @@
 # Used in most samples. Retrieve these values from a Communication Service instance
 # in the Azure Portal.
-CONNECTION_STRING="endpoint=https://<resource name>.communication.azure.net/;accessKey=<key>"
\ No newline at end of file
+COMMUNICATION_CONNECTION_STRING="endpoint=https://<resource name>.communication.azure.net/;accessKey=<key>"
diff --git a/sdk/communication/communication-administration/samples/typescript/src/issueToken.ts b/sdk/communication/communication-administration/samples/typescript/src/issueToken.ts
index a185e04adfd5..d3980b057894 100644
--- a/sdk/communication/communication-administration/samples/typescript/src/issueToken.ts
+++ b/sdk/communication/communication-administration/samples/typescript/src/issueToken.ts
@@ -14,7 +14,7 @@ dotenv.config();
 
 // You will need to set this environment variables or edit the following values
 const connectionString =
-  process.env["CONNECTION_STRING"] || "<communication service connection string>";
+  process.env["COMMUNICATION_CONNECTION_STRING"] || "<communication service connection string>";
 
 export const main = async () => {
   console.log("== Issue Token Sample ==");
diff --git a/sdk/communication/communication-administration/samples/typescript/src/revokeTokens.ts b/sdk/communication/communication-administration/samples/typescript/src/revokeTokens.ts
index 4e4e6cbf0255..59cf5d0beccf 100644
--- a/sdk/communication/communication-administration/samples/typescript/src/revokeTokens.ts
+++ b/sdk/communication/communication-administration/samples/typescript/src/revokeTokens.ts
@@ -14,7 +14,7 @@ dotenv.config();
 
 // You will need to set this environment variables or edit the following values
 const connectionString =
-  process.env["CONNECTION_STRING"] || "<communication service connection string>";
+  process.env["COMMUNICATION_CONNECTION_STRING"] || "<communication service connection string>";
 
 export const main = async () => {
   console.log("== Issue Token Sample ==");
diff --git a/sdk/communication/communication-sms/samples/javascript/README.md b/sdk/communication/communication-sms/samples/javascript/README.md
index 6f4fdd3f4ed0..d1a8b5eb0671 100644
--- a/sdk/communication/communication-sms/samples/javascript/README.md
+++ b/sdk/communication/communication-sms/samples/javascript/README.md
@@ -46,7 +46,7 @@ node sendSms.js
 Alternatively, run a single sample with the correct environment variables set (step 3 is not required if you do this), for example (cross-platform):
 
 ```bash
-npx cross-env CONNECTION_STRING="<connection string>" node sendSms.js
+npx cross-env COMMUNICATION_CONNECTION_STRING="<connection string>" node sendSms.js
 ```
 
 ## Next Steps
diff --git a/sdk/communication/communication-sms/samples/javascript/sample.env b/sdk/communication/communication-sms/samples/javascript/sample.env
index 1ba7d7b92f1f..87b7cca169c9 100644
--- a/sdk/communication/communication-sms/samples/javascript/sample.env
+++ b/sdk/communication/communication-sms/samples/javascript/sample.env
@@ -1,3 +1,3 @@
 # Used in most samples. Retrieve these values from a Communication Service instance
 # in the Azure Portal.
-CONNECTION_STRING="endpoint=https://<resource name>.communication.azure.net/;accessKey=<key>"
\ No newline at end of file
+COMMUNICATION_CONNECTION_STRING="endpoint=https://<resource name>.communication.azure.net/;accessKey=<key>"
diff --git a/sdk/communication/communication-sms/samples/javascript/sendSms.js b/sdk/communication/communication-sms/samples/javascript/sendSms.js
index 1835dccc1a83..f29e76928e1c 100644
--- a/sdk/communication/communication-sms/samples/javascript/sendSms.js
+++ b/sdk/communication/communication-sms/samples/javascript/sendSms.js
@@ -14,7 +14,7 @@ dotenv.config();
 
 // You will need to set this environment variables or edit the following values
 const connectionString =
-  process.env["CONNECTION_STRING"] || "<communication service connection string>";
+  process.env["COMMUNICATION_CONNECTION_STRING"] || "<communication service connection string>";
 
 async function main() {
   console.log("== Send SMS Message Sample ==");
diff --git a/sdk/communication/communication-sms/samples/typescript/README.md b/sdk/communication/communication-sms/samples/typescript/README.md
index cd36ea448fa4..884730d39b6a 100644
--- a/sdk/communication/communication-sms/samples/typescript/README.md
+++ b/sdk/communication/communication-sms/samples/typescript/README.md
@@ -52,7 +52,7 @@ node dist/sendSms.js
 Alternatively, run a single sample with the correct environment variables set (step 3 is not required if you do this), for example (cross-platform):
 
 ```bash
-npx cross-env CONNECTION_STRING="<connection string>" node dist/sendSms.js
+npx cross-env COMMUNICATION_CONNECTION_STRING="<connection string>" node dist/sendSms.js
 ```
 
 ## Next Steps
diff --git a/sdk/communication/communication-sms/samples/typescript/sample.env b/sdk/communication/communication-sms/samples/typescript/sample.env
index 1ba7d7b92f1f..87b7cca169c9 100644
--- a/sdk/communication/communication-sms/samples/typescript/sample.env
+++ b/sdk/communication/communication-sms/samples/typescript/sample.env
@@ -1,3 +1,3 @@
 # Used in most samples. Retrieve these values from a Communication Service instance
 # in the Azure Portal.
-CONNECTION_STRING="endpoint=https://<resource name>.communication.azure.net/;accessKey=<key>"
\ No newline at end of file
+COMMUNICATION_CONNECTION_STRING="endpoint=https://<resource name>.communication.azure.net/;accessKey=<key>"
diff --git a/sdk/communication/communication-sms/samples/typescript/src/sendSms.ts b/sdk/communication/communication-sms/samples/typescript/src/sendSms.ts
index da256945a05f..4a2bba4cb451 100644
--- a/sdk/communication/communication-sms/samples/typescript/src/sendSms.ts
+++ b/sdk/communication/communication-sms/samples/typescript/src/sendSms.ts
@@ -14,7 +14,7 @@ dotenv.config();
 
 // You will need to set this environment variables or edit the following values
 const connectionString =
-  process.env["CONNECTION_STRING"] || "<communication service connection string>";
+  process.env["COMMUNICATION_CONNECTION_STRING"] || "<communication service connection string>";
 
 export const main = async () => {
   console.log("== Send SMS Message Sample ==");