diff --git a/src/client/commands.rs b/src/client/commands.rs
index e2b13f0..c7538fd 100644
--- a/src/client/commands.rs
+++ b/src/client/commands.rs
@@ -202,7 +202,7 @@ pub async fn print_authorization_owner_hint(
         response => return erroneous_server_response(response),
     };
 
-    println!(
+    eprintln!(
         "Note: You are allowed to manage databases and users with the following prefixes:\n{}",
         response.into_iter().map(|p| format!(" - {}", p)).join("\n")
     );
diff --git a/src/client/commands/drop_db.rs b/src/client/commands/drop_db.rs
index 1ec732c..d2cd4a4 100644
--- a/src/client/commands/drop_db.rs
+++ b/src/client/commands/drop_db.rs
@@ -53,8 +53,11 @@ pub async fn drop_databases(
             ))
             .interact()?;
 
+        //
         if !confirmation {
+            // TODO: should we return with an error code here?
             println!("Aborting drop operation.");
+            server_connection.send(Request::Exit).await?;
             return Ok(());
         }
     }
diff --git a/src/client/commands/drop_user.rs b/src/client/commands/drop_user.rs
index 9597920..51275b9 100644
--- a/src/client/commands/drop_user.rs
+++ b/src/client/commands/drop_user.rs
@@ -54,7 +54,9 @@ pub async fn drop_users(
             .interact()?;
 
         if !confirmation {
+            // TODO: should we return with an error code here?
             println!("Aborting drop operation.");
+            server_connection.send(Request::Exit).await?;
             return Ok(());
         }
     }
diff --git a/src/client/mysql_admutils_compatibility/mysql_useradm.rs b/src/client/mysql_admutils_compatibility/mysql_useradm.rs
index d61f52c..c879873 100644
--- a/src/client/mysql_admutils_compatibility/mysql_useradm.rs
+++ b/src/client/mysql_admutils_compatibility/mysql_useradm.rs
@@ -292,7 +292,7 @@ async fn show_users(
         Some(Ok(Response::ListAllUsers(result))) => match result {
             Ok(users) => users,
             Err(err) => {
-                println!("Failed to list users: {:?}", err);
+                eprintln!("Failed to list users: {:?}", err);
                 return Ok(());
             }
         },
diff --git a/src/core/protocol/commands/check_authorization.rs b/src/core/protocol/commands/check_authorization.rs
index 2cd7694..5524d93 100644
--- a/src/core/protocol/commands/check_authorization.rs
+++ b/src/core/protocol/commands/check_authorization.rs
@@ -21,7 +21,7 @@ pub fn print_check_authorization_output_status(output: &CheckAuthorizationRespon
                 println!("'{}': OK", db_or_user.name());
             }
             Err(err) => {
-                println!(
+                eprintln!(
                     "'{}': {}",
                     db_or_user.name(),
                     err.to_error_message(db_or_user)
diff --git a/src/core/protocol/commands/create_databases.rs b/src/core/protocol/commands/create_databases.rs
index 1da5e8b..07c5156 100644
--- a/src/core/protocol/commands/create_databases.rs
+++ b/src/core/protocol/commands/create_databases.rs
@@ -32,8 +32,8 @@ pub fn print_create_databases_output_status(output: &CreateDatabasesResponse) {
                 println!("Database '{}' created successfully.", database_name);
             }
             Err(err) => {
-                println!("{}", err.to_error_message(database_name));
-                println!("Skipping...");
+                eprintln!("{}", err.to_error_message(database_name));
+                eprintln!("Skipping...");
             }
         }
         println!();
diff --git a/src/core/protocol/commands/create_users.rs b/src/core/protocol/commands/create_users.rs
index efe067b..7a4ea1b 100644
--- a/src/core/protocol/commands/create_users.rs
+++ b/src/core/protocol/commands/create_users.rs
@@ -32,8 +32,8 @@ pub fn print_create_users_output_status(output: &CreateUsersResponse) {
                 println!("User '{}' created successfully.", username);
             }
             Err(err) => {
-                println!("{}", err.to_error_message(username));
-                println!("Skipping...");
+                eprintln!("{}", err.to_error_message(username));
+                eprintln!("Skipping...");
             }
         }
         println!();
diff --git a/src/core/protocol/commands/drop_databases.rs b/src/core/protocol/commands/drop_databases.rs
index 824a348..302f665 100644
--- a/src/core/protocol/commands/drop_databases.rs
+++ b/src/core/protocol/commands/drop_databases.rs
@@ -35,8 +35,8 @@ pub fn print_drop_databases_output_status(output: &DropDatabasesResponse) {
                 );
             }
             Err(err) => {
-                println!("{}", err.to_error_message(database_name));
-                println!("Skipping...");
+                eprintln!("{}", err.to_error_message(database_name));
+                eprintln!("Skipping...");
             }
         }
         println!();
diff --git a/src/core/protocol/commands/drop_users.rs b/src/core/protocol/commands/drop_users.rs
index 28aab1d..13707a0 100644
--- a/src/core/protocol/commands/drop_users.rs
+++ b/src/core/protocol/commands/drop_users.rs
@@ -32,8 +32,8 @@ pub fn print_drop_users_output_status(output: &DropUsersResponse) {
                 println!("User '{}' dropped successfully.", username);
             }
             Err(err) => {
-                println!("{}", err.to_error_message(username));
-                println!("Skipping...");
+                eprintln!("{}", err.to_error_message(username));
+                eprintln!("Skipping...");
             }
         }
         println!();
diff --git a/src/core/protocol/commands/lock_users.rs b/src/core/protocol/commands/lock_users.rs
index 75a0aa7..0bd4d6d 100644
--- a/src/core/protocol/commands/lock_users.rs
+++ b/src/core/protocol/commands/lock_users.rs
@@ -35,8 +35,8 @@ pub fn print_lock_users_output_status(output: &LockUsersResponse) {
                 println!("User '{}' locked successfully.", username);
             }
             Err(err) => {
-                println!("{}", err.to_error_message(username));
-                println!("Skipping...");
+                eprintln!("{}", err.to_error_message(username));
+                eprintln!("Skipping...");
             }
         }
         println!();
diff --git a/src/core/protocol/commands/modify_privileges.rs b/src/core/protocol/commands/modify_privileges.rs
index 22320cc..a2afe71 100644
--- a/src/core/protocol/commands/modify_privileges.rs
+++ b/src/core/protocol/commands/modify_privileges.rs
@@ -58,8 +58,8 @@ pub fn print_modify_database_privileges_output_status(output: &ModifyPrivilegesR
                 );
             }
             Err(err) => {
-                println!("{}", err.to_error_message(database_name, username));
-                println!("Skipping...");
+                eprintln!("{}", err.to_error_message(database_name, username));
+                eprintln!("Skipping...");
             }
         }
         println!();
diff --git a/src/core/protocol/commands/passwd_user.rs b/src/core/protocol/commands/passwd_user.rs
index 1ac8948..2dcc892 100644
--- a/src/core/protocol/commands/passwd_user.rs
+++ b/src/core/protocol/commands/passwd_user.rs
@@ -28,8 +28,8 @@ pub fn print_set_password_output_status(output: &SetUserPasswordResponse, userna
             println!("Password for user '{}' set successfully.", username);
         }
         Err(err) => {
-            println!("{}", err.to_error_message(username));
-            println!("Skipping...");
+            eprintln!("{}", err.to_error_message(username));
+            eprintln!("Skipping...");
         }
     }
 }
diff --git a/src/core/protocol/commands/unlock_users.rs b/src/core/protocol/commands/unlock_users.rs
index 7583105..4a210c9 100644
--- a/src/core/protocol/commands/unlock_users.rs
+++ b/src/core/protocol/commands/unlock_users.rs
@@ -35,8 +35,8 @@ pub fn print_unlock_users_output_status(output: &UnlockUsersResponse) {
                 println!("User '{}' unlocked successfully.", username);
             }
             Err(err) => {
-                println!("{}", err.to_error_message(username));
-                println!("Skipping...");
+                eprintln!("{}", err.to_error_message(username));
+                eprintln!("Skipping...");
             }
         }
         println!();