DNS Domain Issues

To verify that the relevant IP addresses are correct, follow these steps:
1. On the desktop, right-click My Network Places, and then click Properties.
2. Right-click the appropriate connection object, and then click Properties.
3. Click Internet Protocol (TCP/IP), and then click Properties.
4. Click Advanced.
5. Click DNS, and then click Add. In the DNS Server box, type the IP address of the DNS server to use to resolve DNS fully qualified domain names (FQDN), and then click Add.
6. Repeat this procedure to add the IP addresses of each DNS server on your network. After adding all DNS server IP addresses, click the arrow buttons to arrange the list of IP addresses in the preferred order of use.
7. Click WINS, and then click Add. In the WINS Server box, type the IP address of the WINS server to use to resolve NetBIOS names, and then click Add.
8. Repeat this procedure to add the IP addresses of each WINS server on your network. After adding all WINS server IP addresses, click the arrow buttons to arrange the list of IP addresses in the preferred order of use.
9. Click OK in the open dialog boxes to close them and to save the new settings.

I DID THESE STEPS AND I AM STILL GETTING SAME ERROR

Compare your server IP / DNS settings with workstation you have problem too.
Make sure they're using same DNS settings

You can run ipconfig /all and post results from server and workstation

THEY ARE SEE ATTACHED
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What about Workstation

sorry here you are
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You are the man thank you

Awesome job

You're welcome :)