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The error occurs because a remote connection is denied due to an invalid combination of username and password being provided, or the authentication protocol is not allowed on the remote access server.
Causes: Error Code 691 can be caused due to the following conditions:
Solutions: Here are some ways to deal with error code 691:
If you are facing another error entirely, you can view the complete error list here.
For suggestions and feedback, or for additional assistance, feel free to comment below. You can also contact our Live Support or submit a support ticket with screenshots for the error or problem you are facing to have it rectified.
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