# Why Am I Seeing an Error Message That Says Identity of Remote Computer Cannot be Verified When I Log In to a Windows ECS?

#### Symptom

An error message is displayed indicating that the identity of the remote computer cannot be verified. You are required to enter the password and log in again.

Figure 1 Protocol error

#### Possible Causes

Security software installed on the ECS prevents logins from unknown IP addresses.

#### Solution

- Uninstall the security software.
- Open the security software and enable the default login mode.

Parent topic: Login and Connection