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| developer = <!-- Name of main developer or sponsor-->[[OpenText]]
| family = [[Linux]] ([[Unix-like]]) and [[NetWare]]
| working state = Current <!-- "Current", "Discontinued" (operating systems), or "No longer supported" (releases) -->
}}
'''Open Enterprise Server'''<ref>{{Cite web |last=Emerson Process Management |date=October 31, 2023 |title=OpenEnterpriseTM SCADA Suite |url=https://www.emerson.com/documents/automation/brochure-openenterprise-scada-suite-version-2-83-en-132608.pdf |url-status=live |archive-url=https://web.archive.org/web/20231031172853/https://www.emerson.com/documents/automation/brochure-openenterprise-scada-suite-version-2-83-en-132608.pdf |archive-date=October 31, 2023 |access-date=October 31, 2023 |website=Emerson |format=PDF}}</ref> ('''OES''') is a [[Server (computing)|server]] [[operating system]] published by [[OpenText]]. It was first published by [[Novell]] in March 2005 to succeed their [[NetWare]] product.<ref name="Morgan">{{cite web |url=https://www.theregister.co.uk/2011/12/13/novell_open_enterprise_server_11/ |last=Prickett Morgan |first=Timothy |date=13 December 2011 |title=NetWare-Linux Love Child Turned Up to 11 |website=[[The Register]] |access-date=2017-02-07}}</ref>.
Unlike NetWare, OES is a [[Linux distribution]]—specifically, one based on [[SUSE Linux Enterprise Server]]. <ref>{{Cite web |last=Rouse |first=Margaret |date=December 21, 2011 |title=Open Enterprise Server |url=https://www.techopedia.com/definition/26069/open-enterprise-server-oes |url-status=live |archive-url=https://web.archive.org/web/20230810085220/https://www.techopedia.com/definition/26069/open-enterprise-server-oes |archive-date=August 10, 2023 |access-date=October 31, 2023 |website=Techopedia}}</ref> The first major release of Open Enterprise Server (OES 1) could run either with a [[Linux kernel]] (with a [[NetWare]] [[compatibility layer]]) or Novell's [[NetWare]] [[Kernel (operating system)|kernel]] (with a [[Linux]] compatibility layer).<ref name="Morgan" /> Novell discontinued the NetWare kernel prior to the release of OES 2, but NetWare 6.5 SP7, and later SP8, can run as a [[Paravirtualization|paravirtualized]] [[Hardware virtualization#Paravirtualization|guest]] inside the [[Xen]] [[hypervisor]] (Officiallyofficially supported until 7 March 2012, Novell self-supported until 7 March 2015).
=={{anchor|1.01|2.03}}OES 1 and OES 2 ==
* Dynamic Storage Technology, which provides Novell Shadow Volumes
* [[Windows ___domain]] services (from OES 2 SP1)
* [[Apple Filing Protocol]] (AFP) with Cross ProtocollProtocol Locking AFP-NCP-Samba (CPL) (from OES 2 SP1)
See also (based on different OES editions):
* Novell Open Workgroup Suite
* Novell Open Workgroup Suite Small Business Edition
== OES 11 ==
OES 11 was released on 12 December 2011 based on SLES 11 SP1 64-bit. The NetWare Kernel was removed after OES 2. This is the first version of OES to be 64-bit (x86_64) only. NetWare 6.5 SP8 was still possible to run as a 32-bit only [[Paravirtualization|para-virtualized]] [[Hardware virtualization#Paravirtualization|guest]] inside the [[Xen]] [[hypervisor]].
* Introduces Novell Kanaka for Mac client
* Uses [[Zypper]] tool to patch up to 100 times faster than OES2
* Added Automated / Unattended Upgrades from OES2
* New Novell Linux Volume Manager ( NLVM) provides easier storage management
* Novell released [[service pack]]s:
** OES 11 SP1, on 28 August 2012.
** OES 11 SP2, on 28 January 2014.
** OES 11 SP3, on 26 July 2016.
== OES 2015==
* OES 2015 was released on 31 August 2015, addedadding new features and improved performance.<ref name=v2015>{{cite web |url=https://www.novell.com/products/openenterpriseserver/ |title=Manage File & Print Networks - Open Enterprise Server |newspaper=Novell Web site |access-date= 20 November 2015}}</ref>
* OES 2015 SP1 was released on 14 June 2016 and was the first to be rebranded [[Micro Focus]] <ref name=v2015.1>{{cite web |url=https://www.novell.com/documentation/oes2015/pdfdoc/oes_readme/oes_readme.pdf|title=OES 2015 Readme |access-date= 16 December 2023}}</ref> after Micro Focus purchased [[The Attachmate Group]] which included Novell.
== OES 2018 & 2023 ==
Micro Focus released OES 2018 in November 2017, with three service releases (the last being OES 2018 SP3 in July 2021). All releases were all based on SLES 12 and its service packs.
While SUSE was sold by Micro Focus in 2018,<ref>{{Cite magazine |last=Burton |first=Graham |date=2 July 2018 |title=Micro Focus to sell SUSE Linux to private equity firm for US$2.5bn |url=https://www.computing.co.uk/ctg/news/3035155/micro-focus-to-sell-suse-linux-to-private-equity-firm-for-usd25bn |magazine=[[Computing (magazine)|Computing]] |access-date=29 August 2018 |archive-date=29 August 2018 |archive-url=https://web.archive.org/web/20180829072455/https://www.computing.co.uk/ctg/news/3035155/micro-focus-to-sell-suse-linux-to-private-equity-firm-for-usd25bn |url-status=dead }}</ref>, SLES support and updates are included with an OES installation, provided at least one OES component is installed.
OES 2023 was released in October 2022, using a base of SLES 15 SP4. It includes a new Unified Management Console (UMC) to supersede iManager for server management, TLS 1.3 support and was bundled with NetIQ eDirectory 9.2.7.<ref name=v2023>{cite web |url=https://www.microfocus.com/documentation/open-enterprise-server/2023/unified_management_console/overview.html|title=What's New or Changed in OES 2023 |access-date= 16 December 2023}}</ref>. ▼Breaking with previous convention, OES 23.4 (rather than SP1) was released in October 2023, and was rebranded to [[OpenText]]<ref name=v23.4>{cite web |url=https://www.microfocus.com/documentation/open-enterprise-server/23.4/oes_readme/t4f3jxli8w2p.html#t4me07gaejta|title=What's New or Changed in OES 23.4 |access-date= 16 December 2023}}</ref>, after their purchase of Micro Focus earlier in the year. General support was extended to 3 years from the usual 2 years of previous releases.<ref name=sles_entitlement>{cite web |url=https://support.microfocus.com/kb/doc.php?id=7023123|title=SLES support entitlement with OWS products |access-date= 16 December 2023}}</ref> ▼
== Release summary ==
* OES, released on 25 March 2005, based on NetWare 6.5 SP3 and SLES 9 SP1.
** OES SP1, released in September 2005, was based on NetWare 6.5 SP4 and SLES 9 SP2.
** OES SP2, released in January 2006, was based on NetWare 6.5 SP5 and SLES 9 SP3.
* OES 2, released on 12 October 2007 based on NetWare 6.5 SP7 and SLES 10 SP1.
** OES 2 SP1, released on 1 December 2008,<ref name="lifecycle">{{cite web |url=http://support.novell.com/lifecycle |title=Novell Product Support Lifecycle}}</ref> based on NetWare 6.5 SP8 and SLES 10 SP2.
** OES 2 SP2 was released on 11 November 2009,<ref name="lifecycle" /> based on SLES 10 SP3.
** OES 2 SP3 was released on 7 November 2014,<ref name="lifecycle" /> based on SLES 10 SP3, SLES 10 SP4 (as of April 15, 2011).
* OES 11 was released on 12 December 2011, based on SLES 11 SP1 (64-bit only).
** OES 11 SP1 was released on 28 August 2012,<ref name="lifecycle" /> based on SLES 11 SP2.
** OES 11 SP2 was released on 28 January 2014,<ref name="lifecycle" /> based on SLES 11 SP3.
** OES 11 SP3 was released on 26 July 2016, based on SLES 11 SP4.
* OES 2015 was released on 31 August 2015.,<ref name=v2015/> based on SLES 11 SP3.
** OES 2015 SP1 was released on 14 June 2016, SLES 11 SP4.
* OES 2018 was released on 28 November 2017, based on SLES 12 SP2.
** OES 2018 SP1 was released on 7 February 2019, based on SLES 12 SP3.
** OES 2018 SP2 was released on 5 May 2020, based on SLES 12 SP5.
** OES 2018 SP3 was released on 15 Jul 2021, based on SLES 12 SP5.
* OES 2023 was released on 13 October 2022, based on SLES 15 SP4.
** OES 23.4 was released on 26 October 2023, based on SLES 15 SP4.
▲OES 2023 was released in October 2022, using a base of SLES 15 SP4. It includes a new Unified Management Console (UMC) to supersede iManager for server management, TLS 1.3 support and was bundled with NetIQ eDirectory 9.2.7.<ref name=v2023> {{cite web |url=https://www.microfocus.com/documentation/open-enterprise-server/2023/unified_management_console/overview.html|title=What's New or Changed in OES 2023 |access-date= 16 December 2023}}</ref> .
== End-of-support schedule ==
▲Breaking with previous convention, OES 23.4 (rather than SP1) was released in October 2023, and was rebranded to [[OpenText]] ,<ref name=v23.4> {{cite web |url=https://www.microfocus.com/documentation/open-enterprise-server/23.4/oes_readme/t4f3jxli8w2p.html#t4me07gaejta|title=What's New or Changed in OES 23.4 |access-date= 16 December 2023}}</ref> , after their purchase of Micro Focus earlier in the year. General support was extended to 3 years from the usual 2 years of previous releases.<ref name=sles_entitlement> {{cite web |url=https://support.microfocus.com/kb/doc.php?id=7023123|title=SLES support entitlement with OWS products |access-date= 16 December 2023}}</ref>
<!-- Template:Version is for version and release history. Documentation and examples: http://en.wikipedia.org/wiki/Template:Version -->
{| class="wikitable" style="text-align:center;"
! scope="col" | OES version
! scope="col" | Release date
! scope="col" | General Ends <ref>[https://www.microfocus.com/productlifecycle/?term=Open%20Enterprise%20Server Product Support Lifecycle]</ref>
|-
! scope="row" {{Version |o |1}}
| 25 March 2005
| 31 July 2009
|-
! scope="row" {{Version |o |2}}
| 12 October 2007
| 31 July 2013
|-
! scope="row" {{Version |o |11}}
| 12 December 2011
| 13 June 2017
|-
! scope="row" {{Version |o |2015}}
| 31 August 2015
| 31 December 2019
|-
! scope="row" {{Version |o |2018}}
| 28 November 2017
| 7 February 2020
|-
! scope="row" {{Version |o |2018 SP1}}
| 7 February 2019
| 31 May 2021
|-
! scope="row" {{Version |o |2018 SP2}}
| 5 May 2020
| 31 Oct 2022
|-
! scope="row" {{Version |co |2018 SP3}}
| 15 Jul 2021
| 31 Jan 2024
|-
! scope="row" {{Version |co |2023}}
| 13 Oct 2022
| 31 Oct 2024
|-
! scope="row" {{Version |c |23.3}}
| 26 Oct 2023
| 30 Nov 2026
|-
| colspan="3" | {{Version |l |show=011100}}
|}
== Components ==
{{Linux-distro}}
{{OpenText}}
{{Novell}}
[[Category:OpenText]]
[[Category:2005 software]]
[[Category:Novell NetWare|NetWare]]
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