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I'm trying to connect to my local sql server while vpn is connected but it throws an error saying 'The target principal name is incorrect. Cannot generate SSPI context. (.Net SqlClient Data Provider)'. Split tunneling is enabled but it does not resolve the issue. If I disconnect from the vpn I can connect to the local sql server just fine. However, when split tunneling is enabled I can no longer remote desktop onto my vms on the vpn. What's the issue and how can I fix it?

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  • Thank you. There's no overlap of ip address space. Trying with an ip address does not work. Adding to hosts file does not work and testing with udl does not work. How could I check name resolution? I can however ping the ip address of the sqlserver successfully. – izuuriver Jan 26 at 14:50
  • To check name resolution you could simply ping the server by name. There are other ways depending on the name resolution mechanisms active in your environment. If you are using DNS for name resolution, nslookup would be the tool to use. If you are relying on PNRP or NetBIOS, ping should work for basic troubleshooting. – ApatheticSheep Jan 27 at 15:19

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