Microsoft lists software products requiring SMB1

Server Message Block or SMB is the file protocol that is used by Windows. SMB1 is the first version of this Server Message Block protocol. Microsoft recently published a list of software products that require SMB1. For these software products requiring SMB1, their vendors have explicitly mentioned in their own documentation or communications.

NedPyle of Microsoft mentions in his blog that the list is not complete. Hence, whenever users want to know the software products requiring SMB1, they can check the documentation that comes with the product. It will be certainly mentioned in the documentation whether the product requires SMB1 or not.

Software products requiring SMB1

List of software products requiring SMB1

This list consists of the vendors and their software products requiring SMB1. For some products, it is also mentioned when SMB1 is actually required.

  • Aruba: Clearpass, when using MSCHAP for domain join
  • Barracuda: SSL VPN
  • Barracuda: Web Security Gateway backups
  • Canon (& Océ): Printers via “print to share”
  • Cisco: Web Security Appliance/WSAv
  • Cisco: Wide Area Application Services/WAAS 5.0 & older
  • F5: RDP client gateway, Microsoft Exchange Proxy
  • Forcepoint (Raytheon): “some Forcepoint products”, Content Gateway proxy authentication
  • HPE: ArcSight (Legacy Unified Connector, not latest version)
  • IBM: NetServer V7R2 or below
  • IBM: QRadar Vulnerability Manager 7.2.x or below (7.3 has been updated)
  • Lexmark: Firmware eSF 2.x & eSF 3.x MFPs (scan to network)
  • Linux Kernel: CIFS client 2.5.42 to 3.5.x (3.7 added first SMB2 client implementation)
  • McAfee: Web Gateway
  • Microsoft: Windows XP, Windows Server 2003 (and older), Windows Embedded Standard 2009
  • MYOB: Accountants Office & Accountants Enterprise (states requirement for disabling opportunistic locking, i.e. SMB1 behavior option)
  • NetApp: Versions of ONTAP prior to 8.3.2P5, 9.0P1 & 9.1 require SMB1 for domain join (not client connections). ONTAP 8.3.2P5, 9.0P1, 9.1 can instead utilize SMB2 for domain join as well as client connections via SMB2 & 3, and ONTAP 9.2 allows for complete disabling of any SMB1 connections
  • NetGear: ReadyNAS (when used as backup target)
  • Oracle: Solaris 11.3 and older
  • Pulse Secure: PCS devices running 8.1R9 / 8.2R4 and below or PPS devices running 5.1R9 / 5.3R4 and below
  • QNAP: all storage devices using firmware lower than 4.1
  • RedHat: RHEL 5, RHEL 6 domain join; earliest SMB2+ CIFS client documented is in RedHat 7.2, RedHat server provide by Samba
  • Ricoh (Ricoh/Savin/Gestetner/Lanier): all MFP printers (supporting Scan to Folder, Fax Transmission Backup to Folder, Fax Forwarding) except SP C220S / C222SF, SP C231SF / C232SF, SP C240SF / C242SF, SP C250SF / C252SF, SP 3400SF / 3410SF, SP 3000SF / 3510SF
  • RSA: Authentication Manager Server
  • Samba: versions older than 3.5.0 (note: all supported versions of Samba support SMB2+)
  • Sharp: Subset of MFP printers (many do support SMB2 and 3)
  • Sonos: Wireless speakers
  • Sophos: Sophos UTM, Sophos XG firewall, Sophos Web Appliance
  • SUSE: SUSE Linux Enterprise Server 11 and older (note: 10 and older versions are unsupported, regardless)
  • Synology: Diskstation Manager (management, not client connection)
  • Thompson Reuters: CS Professional Suite
  • Tintri: Tintri OS, Tintri Global Center
  • VMware: Vcenter VMware vCenter Server Appliance, VMware vRealize Automation Identity Appliance
  • VMware: Older than ESXI 6.0
  • Worldox: Worldox GX3 DMS (SMB1 recommended but supports SMB2 under some circumstances; note that GX3 is end of life, per vendor)
  • Xerox: SMB Workflow Scanning on printers not running ConnectKey Firmware, such as WC75XX models)

To know more about the software products requiring SMB1, read the blog on TechNet. This blog also has a list of documents for each software product.

Read: Why and how to disable SMB1.

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Ankit Gupta is a writer by profession and has more than 7 years of global writing experience on technology and other areas. He follows technological developments and likes to write about Windows & IT security. He has a deep liking for wild life and has written a book on Top Tiger Parks of India.

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