This topic describes the release notes of images and their updates.

July 18, 2019

Release Description
Windows Server Version 1903 Datacenter Edition
  • Image ID:
    • winsvr_64_dtcC_1903_zh-cn_40G_alibase_20190718.vhd (Chinese)
    • winsvr_64_dtcC_1903_en-us_40G_alibase_20190718.vhd (English)
  • Released in: all regions
  • Changes:
    • Updated to include the latest operating system patches
    • Upgraded .NET Framework to version 4.8
Windows Server 2019 Datacenter Edition
  • Image ID:
    • win2019_64_dtc_1809_zh-cn_40G_alibase_20190718.vhd (Chinese)
    • win2019_64_dtc_1809_en-us_40G_alibase_20190718.vhd (English)
  • Released in: all regions
  • Changes:
    • Updated to include the latest operating system patches
    • Upgraded .NET Framework to version 4.8
Windows Server 2016 Datacenter Edition
  • Image ID:
    • win2016_64_dtc_1607_zh-cn_40G_alibase_20190718.vhd (Chinese)
    • win2016_64_dtc_1607_en-us_40G_alibase_20190718.vhd (English)
  • Released in: all regions
  • Changes:
    • Updated to include the latest operating system patches
    • Upgraded .NET Framework to version 4.8
Windows Server 2012 R2 Datacenter Edition
  • Image ID:
    • win2012r2_64_dtc_9600_zh-cn_40G_alibase_20190718.vhd (Chinese)
    • win2012r2_64_dtc_9600_en-us_40G_alibase_20190718.vhd (English)
  • Released in: all regions
  • Changes:
    • Updated to include the latest operating system patches
    • Upgraded .NET Framework to version 4.8
Windows Server 2008 R2 Enterprise Edition
  • Image ID:
    • win2008r2_64_ent_sp1_zh-cn_40G_alibase_20190718.vhd (Chinese)
    • win2008r2_64_ent_sp1_en-us_40G_alibase_20190718.vhd (English)
  • Released in: all regions
  • Changes:
    • Updated to include the latest operating system patches
    • Upgraded .NET Framework to version 4.8

July 11, 2019

Release Description
CentOS 7.6
  • Image ID: centos_7_06_64_20G_alibase_20190711.vhd
  • Kernel version: 3.10.0-957.21.3.el7.x86_64
  • Released in: all regions
  • Changes: updated to include the latest operating system patches

July 9, 2019

Release Description
CentOS 6.10
  • Image ID: centos_6_10_64_20G_alibase_20190709.vhd
  • Kernel version: 2.6.32-754.17.1.el6.x86_64
  • Released in: all regions
  • Changes: updated to include the latest operating system patches

July 2, 2019

Release Description
Debian 9.9
  • Image ID: debian_9_09_64_20G_alibase_20190702.vhd
  • Kernel version: 4.9.0-9-amd64
  • Released in: all regions
  • Changes: updated to include the latest operating system patches

June 24, 2019

Release Description
Ubuntu 18.04
  • Image ID: ubuntu_18_04_64_20G_alibase_20190624.vhd
  • Kernel version: 4.15.0-52-generic
  • Released in: all regions
  • Changes: updated system patches and fixed the CVE-2019-11477 vulnerability

June 21, 2019

Release Description
CentOS 6.10
  • Image ID: centos_6_10_64_20G_alibase_20190621.vhd
  • Kernel version: 2.6.32-754.15.3.el6.x86_64
  • Released in: all regions
  • Changes: updated system patches and fixed the CVE-2019-11477 vulnerability

June 20, 2019

Release Description
Ubuntu 16.04
  • Image ID: ubuntu_16_04_64_20G_alibase_20190620.vhd
  • Kernel version: 4.4.0-151-generic
  • Released in: all regions
  • Changes: updated system patches and fixed the CVE-2019-11477 vulnerability

June 19, 2019

Release Description
CentOS 7.6
  • Image ID: centos_7_06_64_20G_alibase_20190619.vhd
  • Kernel version: 3.10.0-957.21.3.el7.x86_64
  • Released in: all regions
  • Changes:
    • Updated system patches and fixed the CVE-2019-11477 vulnerability
    • Set the default CPU mode to performance
Aliyun Linux 2
  • Image ID: aliyun_2_1903_64_20G_alibase_20190619.vhd
  • Kernel version: 4.19.43-13.2.al7.x86_64
  • Released in: all regions
  • Changes:
    • Added the following kernel features:
      • Support for the cgroup writeback feature implemented with cgroup v1 interfaces
      • Support for policy-based routing
      • Support for the ss command from the iproute2 suite by enabling the INET_DIAG kernel configuration
      • Support for configurable kernel tcp_tw_timeout interfaces
    • Fixed network-related kernel vulnerabilities CVE-2019-11477, CVE-2019-11478, and CVE-2019-11479

May 28, 2019

Release Description
Windows Server 2019 Datacenter Edition
  • Image ID:
    • win2019_64_dtc_1809_zh-cn_40G_alibase_20190528.vhd (Chinese)
    • win2019_64_dtc_1809_en-us_40G_alibase_20190528.vhd (English)
  • Released in: all regions
  • Changes: updated to include the latest operating system patches
Windows Server Version 1809 Datacenter Edition
  • Image ID:
    • winsvr_64_dtcC_1809_zh-cn_40G_alibase_20190528.vhd (Chinese)
    • winsvr_64_dtcC_1809_en-us_40G_alibase_20190528.vhd (English)
  • Released in: all regions
  • Changes: updated to include the latest operating system patches

May 23, 2019

Release Description
Windows Server 2016 Datacenter Edition
  • Image ID:
    • win2016_64_dtc_1607_zh-cn_40G_alibase_20190523.vhd (Chinese)
    • win2016_64_dtc_1607_en-us_40G_alibase_20190523.vhd (English)
  • Released in: all regions
  • Changes: updated to include the latest operating system patches
Windows Server 2012 R2 Datacenter Edition
  • Image ID:
    • win2012r2_64_dtc_9600_zh-cn_40G_alibase_20190523.vhd (Chinese)
    • win2012r2_64_dtc_9600_en-us_40G_alibase_20190523.vhd (English)
  • Released in: all regions
  • Changes: updated to include the latest operating system patches

May 17, 2019

Release Description
Windows Server 2008 Standard Edition SP2
  • Image ID:
    • win2008_32_std_sp2_zh-cn_40G_alibase_20190517.vhd (Chinese)
  • Released in: all regions
  • Changes:
    • Updated to include the latest operating system patches
    • Fixed the CVE-2019-0708 remote code-execution vulnerability in Microsoft Windows Remote Desktop Services

May 15, 2019

Release Description
Windows Server 2008 R2 Enterprise Edition
  • Image ID:
    • win2008r2_64_ent_sp1_zh-cn_40G_alibase_20190515.vhd (Chinese)
    • win2008r2_64_ent_sp1_en-us_40G_alibase_20190515.vhd (English)
  • Released in: all regions
  • Changes:
    • Updated to include the latest operating system patches
    • Fixed the CVE-2019-0708 remote code-execution vulnerability in Microsoft Windows Remote Desktop Services

May 13, 2019

Release Description
Ubuntu 16.04
  • Image ID: ubuntu_16_04_64_20G_alibase_20190513.vhd
  • Kernel version: 4.4.0-146-generic
  • Released in: all regions
  • Changes: updated to include the latest operating system patches

May 10, 2019

Release Description
Debian 9.9
  • Image ID: debian_9_09_64_20G_alibase_20190510.vhd
  • Kernel version: 4.9.0-9-amd64
  • Released in: all regions
  • Changes: updated to include the latest operating system patches

May 9, 2019

Release Description
Ubuntu 18.04
  • Image ID: ubuntu_18_04_64_20G_alibase_20190509.vhd
  • Kernel version: 4.15.0-48-generic
  • Released in: all regions
  • Changes:
    • Updated cloud-init to speed up boot time
    • Updated to include the latest operating system patches

May 7, 2019

Release Description
Aliyun Linux 2
  • Image ID: aliyun-2.1903-x64-20G-alibase-20190507.vhd
  • Kernel version: 4.19.34-11.al7.x86_64
  • Released in: all regions
  • Changes:
    • Updated the system kernel and user mode package
    • Fixed the latency in time synchronization on instance startup

March 27, 2019

Release Description
Aliyun Linux 2
  • Image ID: aaliyun-2.1903-x64-20G-alibase-20190327.vhd
  • Kernel version: 4.19.24-9.al7.x86_64
  • Released in: all regions
  • Changes: released Aliyun Linux 2

March 19, 2019

Release Description
CoreOS 2023.4.0
  • Image ID: coreos_2023_4_0_64_30G_alibase_20190319.vhd
  • Kernel version: 4.19.25-coreos
  • Released in: all regions
  • Changes: updated to include the latest operating system patches

March 18, 2019

Release Description
Windows Server 2019 Datacenter Edition
  • Image ID:
    • win2019_64_dtc_1809_zh-cn_40G_alibase_20190318.vhd (Chinese)
    • win2019_64_dtc_1809_en-us_40G_alibase_20190318.vhd (English)
  • Released in: all regions
  • Changes: new release
Windows Server 2016 Datacenter Edition
  • Image ID:
    • win2016_64_dtc_1607_zh-cn_40G_alibase_20190318.vhd (Chinese)
    • win2016_64_dtc_1607_en-us_40G_alibase_20190318.vhd (English)
  • Released in: all regions
  • Changes: updated to include the latest operating system patches
Windows Server 2012 R2 Datacenter Edition
  • Image ID:
    • win2012r2_64_dtc_9600_zh-cn_40G_alibase_20190318.vhd (Chinese)
    • win2012r2_64_dtc_9600_en-us_40G_alibase_20190318.vhd (English)
  • Released in: all regions
  • Changes: updated to include the latest operating system patches
Windows Server 2008 R2 Enterprise Edition
  • Image ID:
    • win2008r2_64_ent_sp1_zh-cn_40G_alibase_20190318.vhd (Chinese)
    • win2008r2_64_ent_sp1_en-us_40G_alibase_20190318.vhd (English)
  • Released in: all regions
  • Changes: updated to include the latest operating system patches
Windows Server Version 1809 Datacenter Edition
  • Image ID:
    • winsvr_64_dtcC_1809_zh-cn_40G_alibase_20190318.vhd (Chinese)
    • winsvr_64_dtcC_1809_en-us_40G_alibase_20190318.vhd (English)
  • Released in: all regions
  • Changes: updated to include the latest operating system patches

March 11, 2019

Release Description
Debian 8.11
  • Image ID: debian_8.11_64_20G_alibase_20190311.vhd
  • Kernel version: 3.16.0-7-amd64
  • Released in: all regions
  • Changes:
    • Updated to include the latest operating system patches
    • Fixed invalid apt source configurations in Debian 8.9

March 1, 2019

Release Description
Ubuntu 16.04
  • Image ID: ubuntu_16_04_64_20G_alibase_20190301.vhd
  • Kernel version: 4.4.0-142-generic
  • Released in: all regions
  • Changes: updated to include the latest operating system patches

February 25, 2019

Release Description
Debian 9.8
  • Image ID: debian_9_08_64_20G_alibase_20190225.vhd
  • Kernel version: 4.9.0-8-amd64
  • Released in: China (Beijing), China (Zhangjiakou-Beijing Winter Olympics), and China (Hohhot)
  • Changes: updated to include the latest operating system patches

February 23, 2019

Release Description
Ubuntu 18.04
  • Image ID: ubuntu_18_04_64_20G_alibase_20190223.vhd
  • Kernel version: 4.15.0-45-generic
  • Released in: all regions
  • Changes: updated to include the latest operating system patches

February 18, 2019

Release Description
CentOS 7.6
  • Image ID: centos_7_06_64_20G_alibase_20190218.vhd
  • Kernel version: 3.10.0-957.5.1.el7.x86_64
  • Released in: all regions
  • Changes: updated to include the latest operating system patches

January 3, 2019

Release Description
Debian 9.6
  • Image ID: debian_9_06_64_20G_alibase_20190103.vhd
  • Kernel version: 4.9.0-8-amd64
  • Released in: all regions
  • Changes: enabled the systemd-networkd service

December 22, 2018

Release Description
Windows Server Version 1809 Datacenter Edition
  • Image ID:
    • winsvr_64_dtcC_1809_zh-cn_40G_alibase_20181222.vhd (Chinese)
    • winsvr_64_dtcC_1809_en-us_40G_alibase_20181222.vhd (English)
  • Released in: all regions
  • Changes:
    • Updated to include the latest patch KB4483235 (released in December 2018)
    • Used the Sysprep tool to generalize the image
Windows Server 2008 R2 Enterprise Edition
  • Image ID:
    • win2008r2_64_ent_sp1_en-us_40G_alibase_20181222.vhd (English)
  • Released in: all regions
  • Changes:
    • Updated to include the latest security patch KB4471318 (released in December 2018). Windows clients must be updated with the latest patches to establish RDP connections.
    • Upgraded .NET Framework to version 4.7.2
    • Used the Sysprep tool to generalize the image

December 20, 2018

Release Description
Windows Server 2008 R2 Enterprise Edition
  • Image ID:
    • win2008r2_64_ent_sp1_zh-cn_40G_alibase_20181220.vhd (Chinese)
  • Released in: all regions
  • Changes:
    • Updated to include the latest security patch KB4471318 (released in December 2018). Windows clients must be updated with the latest patches to establish RDP connections.
    • Upgraded .NET Framework to version 4.7.2
    • Used the Sysprep tool to generalize the image
Windows Server 2012 R2 Datacenter Edition
  • Image ID:
    • win2012r2_64_dtc_9600_zh-cn_40G_alibase_20181220.vhd (Chinese)
    • win2012r2_64_dtc_9600_en-us_40G_alibase_20181220.vhd (English)
  • Released in: all regions
  • Changes:
    • Updated to include the latest security patch KB4471320 (released in December 2018). Windows clients must be updated with the latest patches to establish RDP connections.
    • Upgraded .NET Framework to version 4.7.2
    • Used the Sysprep tool to generalize the image
Windows Server 2016 Datacenter Edition
  • Image ID:
    • win2016_64_dtc_1607_zh-cn_40G_alibase_20181220.vhd (Chinese)
    • win2016_64_dtc_1607_en-us_40G_alibase_20181220.vhd (English)
  • Released in: all regions
  • Changes:
    • Updated to include the latest security patch KB4471321 (released in December 2018). Windows clients must be updated with the latest patches to establish RDP connections.
    • Upgraded .NET Framework to version 4.7.2
    • Used the Sysprep tool to generalize the image

December 12, 2018

Release Description
CentOS 7.6
  • Image ID: centos_7_05_64_20G_alibase_20181212.vhd
  • Kernel version: 3.10.0-957.1.3.el7.x86_64
  • Released in: all regions
  • Changes: updated to include the latest operating system patches
Debian 9.6
  • Image ID: debian_9_06_64_20G_alibase_20181212.vhd
  • Kernel version: 4.9.0-8-amd64
  • Released in: all regions
  • Changes:
    • Updated to include the latest operating system patches
    • Updated the cloud-init version
    • Enabled the chrony time synchronization service
    • Set GRUB_TIMEOUT=1
  • Known issues: Classic network configuration issues
Ubuntu 18.04
  • Image ID: ubuntu_18_04_64_20G_alibase_20181212.vhd
  • Kernel version: 4.15.0-42-generic
  • Released in: all regions
  • Changes:
    • Updated to include the latest operating system patches
    • Updated the cloud-init version
    • Enabled the chrony time synchronization service
    • Set GRUB_TIMEOUT=1

December 10, 2018

Release Description
CentOS 7.5
  • Image ID: centos_7_05_64_20G_alibase_20181210.vhd
  • Kernel version: 3.10.0-862.3.3.el7.x86_64
  • Released in: all regions
  • Changes:
    • Updated to include the latest operating system patches
    • Updated the cloud-init version
    • Enabled the chrony time synchronization service
    • Disabled password authentication by default
    • Set GRUB_TIMEOUT=1