I have installed Lync 2010, entered a sign-in address and User name / Password however, I typed in the wrong username.
I get the error "Cannot sign in to Lync because the sign-in address was not found"
I can find no way of displaying the option to change my User name or password with this particular sign-in address.
If I change the sign-in address I am prompted for a User name / Password but I cannot see how I can change these credentials on an existing sign-in address.
I have tried uninstalling, cleaning up the registry and deleting .cache / sip files in my local settings but when I reinstall it remembers the old sign-in address and once again no prompt for domain credentials.
Can anyone help?