Level 1

25 points

Catalina SMB problem

I have issue after updating to macOS Catalina Version 10.15 on macbook pro 2017.

I have a network drive(HD) connected to a router using SMB:// Fritz-nas

This has always connected automatically and is primarily used as a music . Since the update this has been unavailable and if I try to connect I get the error :

"There was a problem connecting to the server "ServerName". The server may not exist or it is unavailable at this time. Check the server name or IP address, check your network connection, and then try again."

If I try to browse it shows the drive but will not connect. This is shared with a Windows 10 machine and that can connect as normal.

Any help would be appreciated.

Posted on Oct 10, 2019 10:14 AM

Top-ranking reply

eye-spy

Level 1

4 points

Posted on Jan 9, 2020 1:24 PM

Fritz!OS as of yet supports only SMB version 1 which is deprecated and no longer supported on Mac OS Catalina. This applies to the current stable branch of Fritz!OS.

The "Labor"-branch (not yet labelled as stable, but usually quite mature) of Fritz!OS supports SMBv3. So you ought to download the most current "Labor-Version" applicable to your router.

It seems to be the same basic problem with the other posts here: NAS-OSes or 10 year old MacOSes that still offer only SMBv1 and a modern client that out of security concerns refuses to talk this outdated protocol. NAS-vendors will probably roll out updates, too.

BTW, de novo installations of Win10 (not updated ones) also do not support SMBv1 out of the box without tinkering…

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53 replies

Fonsie

Level 1

4 points

Apr 2, 2020 12:00 PM in response to widorgelg

I don't know if anybody else noticed but the SMB problem is back in the latest Catalina update

Villeno

Level 1

4 points

Apr 2, 2020 1:30 PM in response to Fonsie

Yes, same here. From update to 10.15.4 made today my smb connection to smb server just stop. During connection to server I'm trying to type user and password but it doesn't let me in.

mcff

Level 1

12 points

May 8, 2020 11:01 PM in response to Villeno

I have BlackArmorNAS220. I can't connect to the server with the same problem.

MacOs Catalina 10.15.5 Beta (19F83c)

snhbow

Level 1

8 points

Oct 18, 2019 7:45 AM in response to wolfmax03

I have a similar question posted in the Desktop area. My iMac keeps asking "You are attempting to connect to server xyz" with option to Cancel/Connect, but then fails to connect. I presume it is the same issue. It does not stop presenting this message which is very annoying. Do you have the same prompt? Have you been able to find a solution already? My server (Netgear Stora) does seem to connect through finder using the AFP:// connection, but this does not prevent the message from showing up. Regards, Henk

r2dluc

Level 1

4 points

Dec 23, 2019 1:07 PM in response to don hull

Since macOS was updated to 10.15.2 I have the same problem with SMB shares, every ~24 hours I can't reconnect the SMB shares from a Qnap, the only fix I found is to reboot my mac (that's very annoying!) Restarting SMB service on the NAS or rebooting it didn't help and, as I said, the problem began after macOS was updated from 10.15.1 to 10.15.2, I never experienced such a problem before.

Fonsie

Level 1

4 points

Mar 10, 2020 7:40 AM in response to Yer0

Yes for me the issue has also been resolved with the latest update

May 20, 2020 12:13 AM in response to Swamphick

Thanks for your suggestion.

Force quitting the Finder did allow me to re-connect to SMB mac/server.

Looks like the Finder tries to "remember" a previous connection but gets it wrong.

Yer0

Level 1

4 points

May 20, 2020 3:12 PM in response to PhilippeW

Please report if in the next update is fixed again.... ¿10.15.6?

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Catalina SMB problem