PC Slower Than It Used to Be?
A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11Crashes, No Sound, or Screen Glitches?
Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minute“SMB not working” in macOS Ventura can mean several different failures: the server is missing from Finder, authentication is rejected, a share mounts read-only, or individual files cannot be edited. Identify the first operation that fails, then test in this order: update Ventura, verify network access to TCP port 445, connect directly with an smb:// address, verify the server account, and check both share and filesystem permissions.
Start by identifying the exact failure
Record which symptom you have before changing settings:
- The server or NAS is absent from Finder’s Network view.
- The server appears, but Connect As rejects the login or repeatedly asks for a password.
- The share mounts, but folders are empty or files are read-only.
- You can read files but cannot copy, save, rename, or delete them.
- Only certain files, such as Office documents or PDFs, fail.
- Finder becomes slow, freezes, or times out.
- The problem affects one Mac, every client, or began immediately after a Ventura update.
- Connecting by hostname fails while connecting by IP address works.
These distinctions matter: discovery, networking, authentication, permissions, protocol negotiation, and file operations have different fixes.
Apply the safe quick fixes first
- Choose Apple menu > About This Mac and record the exact Ventura build, such as 13.2, 13.4, or 13.7.x.
- Back up important data, install the latest Ventura 13.x update offered for the Mac, and restart both the Mac and the SMB server. Apple’s Ventura notes document point-release network-share fixes, including a Ventura 13.4 fix for files that failed to open after being moved or renamed on a network share: Apple’s Ventura enterprise release notes.
- Disconnect the old mounted volume and reconnect it directly rather than relying on Finder discovery.
- Test without a VPN and, if possible, from the same local network as the server.
- After mounting, test a small newly created plain-text file before testing an application’s complex document.
Updating can resolve a Ventura-specific regression, but it will not repair a disabled server account, a blocked firewall port, or incorrect permissions.
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Check network reachability before troubleshooting passwords
Open Terminal and run:
ping -c 4 SERVER_NAME
ping -c 4 192.168.1.50
nc -vz SERVER_NAME 445- If the IP address works but the hostname fails, investigate DNS, local name resolution, or discovery. Do not keep changing the password.
- If TCP port 445 is unreachable, check that the server is powered on, the Mac is not on an isolated guest network, VPN routing is not blocking local traffic, and host, router, or VLAN firewalls allow SMB.
- If port 445 responds but login fails, continue with account and permission checks.
- A failed
pingis not conclusive because some hosts block ICMP while still accepting SMB.
Finder’s Network view is only a discovery interface. A server not listed there does not prove SMB is unavailable. Apple documents browsing and direct connection separately in Connect a Mac to shared computers and servers.
Connect directly with an SMB address
- Open Finder and choose Go > Connect to Server.
- Enter an address such as
smb://server-hostname/share-nameorsmb://192.168.1.50/share-name. Do not include spaces in the actual address. - Click Connect.
- Choose Registered User unless the server explicitly allows guest access.
- Enter the username and password belonging to the SMB server, then select the requested shared folder.
Using the IP address bypasses name-resolution problems and is a useful diagnostic. If it works while the hostname does not, fix DNS or local naming; an IP address is only a temporary workaround if DHCP can change it. If the server connects but the requested share does not, verify the share name on the host. Apple lists Guest, Registered User, and, in some Mac-to-Mac configurations, Apple Account authentication at the same support page.
Fix repeated authentication failures
Make sure the account exists on the server and is enabled for SMB. On a domain, use the format required by the administrator, such as DOMAINusername or username@domain. A Mac can appear to accept credentials while actually connecting anonymously, which often produces a read-only result.
Remove only stale saved credentials
- Disconnect the mounted share.
- Open Applications > Utilities > Keychain Access.
- Search for the server hostname, IP address, or related network-password entries.
- Delete only the stale entry for this server.
- Reconnect through Go > Connect to Server and select Registered User.
Deleting a Keychain item cannot fix an expired domain password, a disabled account, or a server that requires an unsupported authentication method.
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On Ventura, configure the Mac server at Apple menu > System Settings > General > Sharing:
- Turn on File Sharing and click its information button.
- Click Options.
- Enable Share files and folders using SMB.
- Under Windows File Sharing, enable each account that should connect and enter or reset its password when prompted.
- Confirm the intended folder appears under Shared Folders.
- Confirm the connecting user is listed under that folder’s permitted users.
Apple’s instructions are in Set up SMB file sharing on Mac and Share Mac files with Windows users. Disable unused Windows-sharing accounts; Apple notes that these sharing passwords may be stored less securely.
Check both permission layers
SMB access has two separate gates:
Share-level access
The account must be permitted to connect to the shared folder in the server’s sharing settings.
Filesystem permissions and ACLs
The same account must have permission on the folder and its contents. On a Mac-hosted share, select the folder in Finder, choose File > Get Info, expand Sharing & Permissions, unlock the panel, and confirm the account or group has Read & Write. Apple defines Read & Write as permission to open and change an item; Read Only permits opening without changing it: Change permissions for files, folders, or disks.
Use Apply to enclosed items only when you deliberately intend to alter permissions throughout the folder. Broadly granting Everyone Read & Write can expose data and may not resolve ownership or inherited ACL conflicts.
When one user can create files but another cannot edit them
This pattern usually indicates ownership, group membership, inherited permissions, or ACLs—not a Finder discovery problem. Temporarily disable guest access so you know the client is using the intended account, then correct the group and ACL design. Apple’s enterprise guidance covers this case at If users can’t edit or authenticate files on a macOS-hosted SMB share.
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Apple gives the following administrator-level ACL example:
sudo chmod -R +a "group:YourGroupName allow list,add_file,search,add_subdirectory,delete_child,readattr,writeattr,readextattr,writeattr,readsecurity,file_inherit,directory_inherit" /Volumes/volumename/path/to/shareAdapt the group and path to the real environment, test on a backup or non-production share, and use this only if you understand macOS ACLs. A recursive ACL change can affect an entire data tree.
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Windows
- Use a Private network profile or another profile that permits file sharing.
- Enable the required Network Discovery and File and Printer Sharing features.
- Permit inbound SMB/File and Printer Sharing in Windows Firewall.
- Check both share permissions and NTFS permissions; the more restrictive result applies.
- Verify that the account or group is not excluded and that the server is reachable across the relevant VLAN or VPN.
Microsoft’s SMB troubleshooting guidance separates connection handshakes, authentication, tree-connect failures, and access-denied errors. Microsoft also explains why SMB traffic must be allowed by appropriate firewall rules without exposing it unnecessarily: Preventing unwanted SMB traffic.
NAS or Linux/Samba
- Confirm the SMB service is running and the share name is exact.
- Confirm the user exists in the SMB service and is allowed on that share.
- Check Unix permissions and ACLs on the underlying directory.
- Check disk capacity and whether the filesystem was mounted read-only.
- Prefer SMB2 or SMB3 and update the NAS or Samba package.
Menu names vary by vendor, so use the model’s documentation for exact controls.
Do not make SMB1 your first fix
Older NAS devices, routers, media boxes, and Samba installations may support only SMB1. Microsoft states that current Windows releases do not install SMBv1 by default because of its security risks and identifies obsolete third-party devices as a common cause of compatibility failures: SMBv1 is not installed by default.
- Update the NAS, router, or Samba installation.
- Enable SMB2 or SMB3 on the server.
- Replace equipment that cannot support modern SMB.
- Use an isolated, temporary compatibility workaround only when its security impact is understood.
Lowering protocol security can expose credentials and files. It is not a general Ventura repair.
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When the share mounts but editing fails
- Test creating, reading, modifying, renaming, and deleting separately; ACLs can allow one operation and deny another.
- Check whether the mount used Guest access rather than the named account.
- Check ownership and group membership for files created by another user.
- Check server disk space, read-only filesystem status, and application or file locks.
- Copy a file locally, edit it, and copy it back. If that works, the application may not support its workload over SMB.
- Test a different share on the same server and the same share from another client.
- Avoid placing databases, virtual-machine disks, active application libraries, or cloud-sync folders on SMB unless the vendor explicitly supports that arrangement.
Office documents, PDFs, and RTF files can fail because of locking or application behavior even when ordinary text files work. Filename characters unsupported by the server can also cause apparently selective failures.
Advanced Ventura diagnostics
When Finder hides the useful error, run:
smbutil view //username@SERVER_NAME
mount
ps aux | grep -i smb
log show --last 10m --predicate 'process CONTAINS[c] "smb" OR eventMessage CONTAINS[c] "SMB"'These commands are diagnostic; process names and log messages vary by Ventura build. Disconnect and remount the volume before retesting, and compare a hostname connection with an IP connection.
Check interference from the network path
- Disconnect the VPN and test on the same LAN as the server.
- Check guest-Wi-Fi client isolation and VLAN firewall rules.
- Temporarily test without third-party endpoint-security software, only under controlled conditions.
- Check for a changed DHCP address, duplicate hostname, or a sleeping server.
- Do not leave a firewall disabled; create the narrow rule required for SMB instead.
Prepare an escalation record
For an administrator or NAS vendor, record:
- Exact Ventura version and Mac model, including Apple silicon or Intel.
- Server type, operating system, and SMB software or firmware version.
- The exact
smb://address used and the complete error message. - Whether hostname and IP behave differently.
- Whether another client can connect.
- Whether read, write, rename, and delete each work independently.
- Relevant server, firewall, and macOS log entries.
Stop and escalate when the server supports only SMB1, no longer receives security updates, affects multiple clients, or puts important data at risk. Replacing obsolete equipment is safer than permanently weakening SMB security.
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