Only One PC Can't Access Other Computers on Private Network

[Windows Server]

I have 3 PCs running on a private network using the same Microsoft account as follows: PC1--desktop Win10 Pro; PC2--laptop Win11 Home; and PC3-desktop Win 11 Pro.PC1 can access folders on both PC2 and PC3. PC2 can access folders on both PC1 and PC3. However, PC3, a new desktop, cannot access folders on the either PC1 or PC2. For example, when attempting to access PC1, the other desktop from PC3, I first get the following dialog:When I hit OK, I get this error message.I get the same set of messages when trying to access the laptop.Please advise. Thanks.

Continue reading...