Error Code:
800704c3 - Error While accessing User in Setting Account Properties
Possible Cause:
Multiple connections to a server or shared resource by the same user, using more than one username, are not allowed.
Solution:
1. Disconnect all previous connections to the server or shared resource and try again.
2. You may try restarting the server if step 1 does not fix the issue.
3. Make sure only one user is accessing the resource at the specified time.