after successfully mapping to my Iseries root drive, it times out when trying to connect

I am able to successfully map the IFS (root) from my Iseries. the drive Icon shows Green. When i click to connect i get this error
My windows 11 version is 24H2 OS build 26100.4061 and the Iseries is V7.1. I have enabled SMB 1.0/CIFS File Sharing Support.
the four required services are running. Please advise what may be missing. thank you in advance for your assistance.

You may need to disable SMB signing on the Windows 11 device. Open PowerShell with administrator rights, and

Thank you for the suggestion. I checked the registry keys for client and server. they are both set to zero (disabled)