ネットワーク共有でアクセスできない。 - Microsoft Q A ネットワーク共有は複雑な仕組みの組み合わせなので、素人考えであれこれ弄ると余計に問題が複雑になって訳が分からない状態になりがちです。 まず基本の設定（正しい設定）を理解しましょう。 ゼロから始めるのであれば、以下を参照してください。
Windows 11 Network Sharing Issues - Microsoft Q A For resolving network sharing issues between Windows 11 and Windows 10 devices, consider the following steps: Check Network Settings: Ensure that both devices are on the same network and that network discovery is enabled
Network shares stop working - Microsoft Q A It sounds like you're experiencing intermittent connectivity issues with network shares in a workgroup environment Here are some suggestions that might help without requiring registry changes:
windows 11 pc network share - Microsoft Q A By checking these settings, you should be able to troubleshoot the connection issue between your Windows 11 PCs This behavior can occur if certain network discovery or sharing settings are not aligned between the two devices
Accessing Windows 11 Pro share no longer working from . . . It seems that you are experiencing issues with accessing shared folders on your Windows 11 Pro desktop from other devices on your local network Here are some troubleshooting steps you can consider:
Network Credential Errors after update to 25H2 - Cannot . . . Since then the dreaded Network Credential Errors have returned and most of my PCs cannot connect to the previously working (for many years) shared drive on the server PC (which was also updated to 25H2) I followed all the steps that people usually do to get past this as shown in the following link
Windows11 network discovery and file sharing stops working . . . Here are some common solutions: Check Network Settings: Make sure your network is set to Private and that Network Discovery and File Sharing are enabled Path: Control Panel → Network and Sharing Center → Change advanced sharing settings Update Network Drivers: Check and update your network adapter drivers
Problem with file, folder, and program sharing (Windows 11) We are experiencing a problem with file, folder, and program sharing on a network between computers running Windows 10 and Windows 11 The new computers with Windows 11 cannot access another computer over the network (error code 0x80070035) We kindly request your assistance in resolving this issue