diff --git a/services/backup/src/server.cpp b/services/backup/src/server.cpp
--- a/services/backup/src/server.cpp
+++ b/services/backup/src/server.cpp
@@ -1,30 +1,30 @@
 #include "BackupServiceImpl.h"
 
+#include "GlobalConstants.h"
 #include "GlobalTools.h"
 
 #include <glog/logging.h>
 #include <grpcpp/grpcpp.h>
 
 #include <memory>
-#include <string>
 
 namespace comm {
 namespace network {
 
 void RunServer() {
-  std::string server_address = "0.0.0.0:50051";
   BackupServiceImpl backupService;
 
   grpc::EnableDefaultHealthCheckService(true);
   grpc::ServerBuilder builder;
   // Listen on the given address without any authentication mechanism.
-  builder.AddListeningPort(server_address, grpc::InsecureServerCredentials());
+  builder.AddListeningPort(
+      SERVER_LISTEN_ADDRESS, grpc::InsecureServerCredentials());
   // Register "service" as the instance through which we'll communicate with
   // clients. In this case it corresponds to an *synchronous* service.
   builder.RegisterService(&backupService);
   // Finally assemble the server.
   std::unique_ptr<grpc::Server> server(builder.BuildAndStart());
-  LOG(INFO) << "Server listening";
+  LOG(INFO) << "server listening at :" << SERVER_LISTEN_ADDRESS;
 
   // Wait for the server to shutdown. Note that some other thread must be
   // responsible for shutting down the server for this call to ever return.
diff --git a/services/blob/src/server.cpp b/services/blob/src/server.cpp
--- a/services/blob/src/server.cpp
+++ b/services/blob/src/server.cpp
@@ -1,26 +1,26 @@
 #include "BlobServiceImpl.h"
 
+#include "GlobalConstants.h"
 #include "GlobalTools.h"
 
 #include <glog/logging.h>
 #include <grpcpp/grpcpp.h>
 
 #include <memory>
-#include <string>
 
 namespace comm {
 namespace network {
 
 void RunServer() {
-  std::string server_address = "0.0.0.0:50051";
   BlobServiceImpl blobService;
 
   grpc::EnableDefaultHealthCheckService(true);
   grpc::ServerBuilder builder;
-  builder.AddListeningPort(server_address, grpc::InsecureServerCredentials());
+  builder.AddListeningPort(
+      SERVER_LISTEN_ADDRESS, grpc::InsecureServerCredentials());
   builder.RegisterService(&blobService);
   std::unique_ptr<grpc::Server> server(builder.BuildAndStart());
-  LOG(INFO) << "Server listening";
+  LOG(INFO) << "server listening at :" << SERVER_LISTEN_ADDRESS;
 
   server->Wait();
 }
diff --git a/services/lib/src/GlobalConstants.h b/services/lib/src/GlobalConstants.h
--- a/services/lib/src/GlobalConstants.h
+++ b/services/lib/src/GlobalConstants.h
@@ -24,5 +24,8 @@
 
 const char ATTACHMENT_DELIMITER = ';';
 
+// gRPC Server
+const std::string SERVER_LISTEN_ADDRESS = "0.0.0.0:50051";
+
 } // namespace network
 } // namespace comm
diff --git a/services/tunnelbroker/src/Constants.h b/services/tunnelbroker/src/Constants.h
--- a/services/tunnelbroker/src/Constants.h
+++ b/services/tunnelbroker/src/Constants.h
@@ -26,9 +26,6 @@
 const std::regex SESSION_ID_FORMAT_REGEX(
     "[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}");
 
-// gRPC Server
-const std::string SERVER_LISTEN_ADDRESS = "0.0.0.0:50051";
-
 // AMQP (RabbitMQ)
 const std::string AMQP_FANOUT_EXCHANGE_NAME = "allBrokers";
 // Message broker queue message TTL
diff --git a/services/tunnelbroker/src/server.cpp b/services/tunnelbroker/src/server.cpp
--- a/services/tunnelbroker/src/server.cpp
+++ b/services/tunnelbroker/src/server.cpp
@@ -4,6 +4,8 @@
 #include "GlobalTools.h"
 #include "TunnelbrokerServiceImpl.h"
 
+#include "GlobalConstants.h"
+
 #include <glog/logging.h>
 #include <grpcpp/grpcpp.h>
 
@@ -24,7 +26,7 @@
   // clients. In this case it corresponds to an *synchronous* service.
   builder.RegisterService(&service);
   std::unique_ptr<grpc::Server> server(builder.BuildAndStart());
-  LOG(INFO) << "gRPC Server listening at :" << SERVER_LISTEN_ADDRESS;
+  LOG(INFO) << "server listening at :" << SERVER_LISTEN_ADDRESS;
   // Wait for the server to shutdown. Note that some other thread must be
   // responsible for shutting down the server for this call to ever return.
   server->Wait();