RE: Cannot generate SSPI context on laptop from different domain



Hi,
I understand that you would like to establish a connection from your laptop
computer in domain B to your SQL Server instance in domain A. The two
separated domains are non-trusted.
If I have misunderstood, please let me know.

As far as I know, if two separated domains have no trust relationship, any
one of the two domains could not connect to the other's SQL Server
instances with Windows Authentication by using its peer domain's user
account. To establish a connection, you can create a same local user
account with the same password on both of the computers which belong to the
two different domains. Cached domain account may have permission to access
the share resources in domain B; however it could not be used to connect to
SQL Server instance. That is not secure.

Appreciate your understanding on this limitation. If you have any other
questions or concerns, please feel free to let us know. Have a good day!

Best regards,
Charles Wang
Microsoft Online Community Support
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