We have a several Windows clients at various locations who connect with L2TP VPN. They have drives mapped to shares on a Netapp Filer and open, upload files of around 3 to 4MB. Since updating our UTM and our Netapps the clients are having connectivity problems. Clients typically receive a Windows error 0x8007003B Unexpected Network Error wenn uploading files.
SSL-VPN connections are not affected but my boss wants the L2TP cos there´s no client software installation needed. Case of, it worked before, it should work now. [8-)]
Can anyone help me troubleshoot this on the UTM?
ps. I´ve already opened a case with netapp to troubleshoot on the Netapps.
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