Why is there no access to the shared folder?

Question

Access rights

Computer in the domain. IP addresses are distributed via dhcp. address range from 192.168.0.150 to 192.168.0.250. But for some reason this computer has the address 192.168.0. 148 Does not enter the shared folder, where only this and 2 other computers have access. Writes no access, rights are limited. Although this computer has a security tab. Everything worked fine before. Mail is sent, but letters are not received. Antivirus and firewall turned off. The problem is only with this machine. windows server 2008 r2. because of what it can be?