Fixed IP with unknown Subnet Mask - Cannot Log In

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NormG1 wrote:

I changed the fixed IP from 192.168.0.56 to 10.0.0.99.

I think I may have used the wrong subnet mask. I think I entered 255.255.255.0.

 

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Nothing wrong with using that subnet mask.  What is the IP address range that your router is using?

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NormG1 wrote:

I was able to log-in to all the shares and the admin page. I was trying to get all the data off the NAS and FTP wasn't working.

 

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If you were able to see all the shares, then changing the IP address from 192.168.0.x to 10.0.0.x was the wrong thing to do.  Your FTP issues had a different cause.

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NormG1 wrote:

 

In hindsight, I should have used DHCP.

So I manually set my MacBook to use 10.0.0.1 and I still cannot log into the Admin Page.

 

 

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Connect the NAS ethernet cable directly to the MacBook, and set the MacBook to use 10.0.0.1.  Then log in via https://10.0.0.99/admin.

I agree you should be using DHCP instead of static IP addresses.  You can reserve an IP in the router if you want the NAS to have a persistent address.