Is This Content Helpful?
We're glad to know this article was helpful.
When signing in to ArcGIS Online from the sign-in option in ArcMap 10.2 or later, the following error may be returned:
"An error occurred. Check you network connection and try again".
This is the exact error message, with the misspelling of 'you' instead of 'your'.
This issue occurs because of a security change from ArcMap 10.1 to 10.2.
Change the internet settings to allow Transport Layer Security (TLS) 1.0 access.