LAN/SMB problem occurred network communication
Wanted to connect via lan to my PC, setup fine with green tick, when click on the already setup lan PC, shows problem occurred on network communication. Using Guest auth, since my other PC can connect via lan also without username pass.
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Andrew Carter
commented
Network and LAN issues like this often look like software or permission problems, but system limitations can also play a role when multiple services are running in the background. If the CPU or memory is already under heavy load, network processes may fail or time out even when the configuration is correct. That’s why it’s useful to rule out hardware-side constraints before troubleshooting deeper OS or protocol-level settings. A quick way to assess this is by using https://bottleneckcheck.com/ to see whether system resources are limiting stable network communication.
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Aisha Mushtaq commented
That network communication issue usually happens when SMB protocol versions don’t match or Windows file sharing permissions block guest access. You can try enabling SMB 1.0 temporarily or switching to password-protected sharing to fix it. It actually reminds me of how small mismatches in PC components can slow everything down. Just like a network delay, a system bottleneck limits performance until balance is restored. You can test your system’s balance easily with this Bottleneck Calculator https://bottleneckcalculatr.com/ to see if your CPU and GPU are communicating efficiently.
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johnson manila commented
A problem occurred network error usually indicates a temporary disruption in connectivity or an issue with the service provider, which may prevent calls or messages from going through smoothly. There is a possibility that this error could resolve on its own after some time, or it might require restarting the device or adjusting network settings. For instance, if you are trying to reach or receive a call from a 0965 phone number, there is a chance the connection may succeed once the network stabilizes, suggesting that the issue is not necessarily permanent. Minor fluctuations in signal strength or network congestion could contribute to this, making it likely that the service will resume normal operation shortly. https://0965whatnetwork.org/
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Jordan Kim commented
Guest-access SMB issues like this are pretty common—switching to password-protected sharing usually fixes it. In El Salvador many home networks ran into the same problem during remote-work days, and tightening sharing settings became the simplest reliable solution. https://allthingselsalvador.com/
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meta fast commented
Sometimes this LAN/SMB “network communication” error also happens if Windows disables guest access after an update. Switching to password-protected sharing or enabling SMB 1.0 usually solves it. I had a similar issue when trying to access shared folders across devices—everything looked fine until I realized Windows had changed the sharing policy in the background.
While troubleshooting, I was organizing some long-term data on my end and needed to verify some calculations for retirement planning. Ended up double-checking contributions with a simple https://deltaxcutor.com/ I often use, and funny enough, I noticed the same pattern: one small setting can throw the whole system off.
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Codexa commented
That network communication issue usually happens when SMB protocol versions don’t match or Windows file sharing permissions block guest access. You can try enabling SMB 1.0 temporarily or switching to password-protected sharing to fix it. It actually reminds me of how small mismatches in PC components can slow everything down. Just like a network delay, a system bottleneck limits performance until balance is restored. You can test your system’s balance easily with this Bottleneck Calculator https://bottleneckcalculatoronline.com/ to see if your CPU and GPU are communicating efficiently.
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Henry Ashford commented
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Network troubleshooting requires the same systematic approach as academic problem-solving - checking each variable methodically. SMB authentication issues can be tricky, but like solving complex calculations, breaking it down step-by-step usually works. For students facing similar precision challenges with academic work, this https://markspercentagecalc.com academic calculator tool applies the same systematic accuracy approach.
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Alex Smith commented
I was actually playing https://bitlifesmodapk.com/ when my LAN connection suddenly stopped working, no idea what triggered it. Started digging around and noticed the issue was with guest authentication on SMB.
After switching to password-protected sharing and restarting both devices, the connection worked perfectly. hope this helps someone