To troubleshoot on Mac: Try using a different file service protocol to connect to Synology NAS. I have to keep AFP running for my TimeMachine backups, but would like my file shares to use SMB2 because it is much faster (better than double write speed in my tests). - Authentication of network clients via AFP works fine. In Mac's Keychain Access app you could delete any saved credentials used to automatically log into NAS SMB. Synology lists the file-sharing protocols that are supported by each OS. AFP instead of SMB: since you're using a Mac and Finder still seems to default to displaying AFP 'Mac' devices in the sidebar. The connection uses SMB (have also tried AFP). Uncheck SMB 1.0/CIFS. Check SMB Direct (Windows 10 Pro only I think. On Windows 10. Instead, use SMB. For me AFP is much faster than SMB from a Mac. I kept AFP enabled even though it has been deprecated in Big Sur. Enable SMB (Window File service) log : Control Panel > File Service > SMB/AFP/NFS > SMB , tick Enable Transfer Log. Die ist einfach getan, wer seine Volumes manuell verbindet über CMD+K und dann smb://HOSTNAME/FREIGABE oder wie ich hier im Video zeige per Script. Go to Control Panel-->File Services. Try logging in with a different DSM user. SMB being open standard affords better implementation compared to AFP, where it has to be by necessity based on reverse engineering of the protocol. I use both on a Synology, and AFP still edges out SMB just a bit for features. On Synology NAS. Beim Script afp durch smb ersetzen oder gleich so erstellen. Go to Finder > Go > Connect to Server. 4. In DSM>Control Panel>File Services>SMB/AFP/NFS select SMB Advanced Settings and set maximum SMB Protocol to SMB3 and minimum to SMB1. AFP vs SMB not as clearcut anymore For a long time SMB was recommended over AFP for Mac users for stability reasons. I am using El Capitan (latest version) on a Mac Mini and have setup a shared drive to my Synology NAS. Enable FTP log : Umstellung Mac. 2. As of 10.14, it is still very useful, and seems a bit better overall than SMB to me. Problem: after a period of time (hours / days) the network share will disappear. Go to Control Panel-->Programs-->Turn Windows features on or off. Enable AFP (Mac File service) log : Control Panel > File Service > SMB/AFP/NFS > AFP , tick Enable transfer log. It will be interesting to see if 10.15, or perhaps 10.16 could have SMB overtake AFP for Mac users in either performance or features. Change Maximum SMB protocol to SMB3. Zuletzt noch die AFP auf SMB Umstellung am Mac. On the SMB/AFP/NFS tab, select Advanced Settings. In DSM>Control Panel>File Services>Advanced I ensured that Bonjour discovery was enabled for both SMB & AFP. 3. Change Minumum SMB protocol to SMB2 with large MTU. Enter the IP address of your Synology NAS preceded by afp:// or smb:// in the Server Address field. Difficult to say whether the issue is a bad SMB implementation by Apple, or just differing interpretations of the SMB standard by Apple and Synology leading to some incompatibilities in the implementations. - Authentication of network clients via SMB fails: o With CIFS plain-text auth enabled, Mac OS clients running OS X 10.7 through 10.12 fail to authenticate with an error: “The version of the server you are trying to connect to is not supported. Dementsprechend ist der Umstieg von AFP auf SMB hier abgeschlossen.