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    <title>Mojang Studios Jira</title>
    <link>https://bugs.mojang.com</link>
    <description>This file is an XML representation of an issue</description>
    <language>en</language>    <build-info>
        <version>9.12.2</version>
        <build-number>9120002</build-number>
        <build-date>10-01-2024</build-date>
    </build-info>


<item>
            <title>[BDS-17313] Connection Error after Microsoft Update KB5015814</title>
                <link>https://bugs.mojang.com/browse/BDS-17313</link>
                <project id="11700" key="BDS">Bedrock Dedicated Server</project>
                    <description>&lt;p&gt;Connection Error to BDS 1.19.10.03 after Hyper-V Host installs Microsoft Update KB5015814&lt;/p&gt;

&lt;p&gt;Client: Windows 11 21H2 22000.795, Minecraft Bedrock 1.19.10&lt;/p&gt;

&lt;p&gt;Server: Ubuntu 22.04LTS, Minecraft Bedrock Dedicated Server 1.19.10.03, VM hosted Hyper-V host (Windows 11 21H2 22000.795), connection on local area network.&lt;/p&gt;

&lt;p&gt;Error: Connection timed out. Unable to connect to world.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;Rolled back Hyper-V Host KB5015814 and this has resulted in the connection working again, but the Hyper-V host is missing a windows security update. Connection to the server works again when the Hyper-V host runs Windows 11 21H2 22000.739&lt;/p&gt;</description>
                <environment>Client: Windows 11 21H2 22000.795, Minecraft Bedrock 1.19.10&lt;br/&gt;
Client: Windows 11 21H2 22000.739, Minecraft Bedrock 1.19.10&lt;br/&gt;
&lt;br/&gt;
Server: Ubuntu 22.04LTS, BDS 1.19.10.03&lt;br/&gt;
Hyper-V Host: Windows 11 21H2 22000.795, error occurs with KB5015814 applied.</environment>
        <key id="510247">BDS-17313</key>
            <summary>Connection Error after Microsoft Update KB5015814</summary>
                <type id="1" iconUrl="https://bugs.mojang.com/secure/viewavatar?size=xsmall&amp;avatarId=18903&amp;avatarType=issuetype">Bug</type>
                                    <status id="5" iconUrl="https://bugs.mojang.com/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="rob_r1234r5678">rob_r1234r5678</reporter>
                        <labels>
                    </labels>
                <created>Sat, 16 Jul 2022 13:30:09 +0200</created>
                <updated>Thu, 18 Aug 2022 11:50:45 +0200</updated>
                            <resolved>Thu, 18 Aug 2022 11:50:45 +0200</resolved>
                                    <version>1.19.10</version>
                    <version>1.19.11 Hotfix</version>
                    <version>1.19.20</version>
                                                            <votes>2</votes>
                                    <watches>2</watches>
                                                                            <comments>
                            <comment id="1193725" author="JIRAUSER648376" created="Thu, 18 Aug 2022 11:50:45 +0200"  >&lt;p&gt;&lt;b&gt;Thank you for your report!&lt;/b&gt;&lt;br/&gt;
We&apos;re tracking this issue in &lt;b&gt;&lt;a href=&quot;https://bugs.mojang.com/browse/BDS-17307&quot; title=&quot;Unable to connect to VM-hosted BDS on same machine&quot; class=&quot;issue-link&quot; data-issue-key=&quot;BDS-17307&quot;&gt;&lt;del&gt;BDS-17307&lt;/del&gt;&lt;/a&gt;&lt;/b&gt;, so this ticket is being resolved and linked as a &lt;b&gt;duplicate&lt;/b&gt;.&lt;/p&gt;

&lt;p&gt;If you would like to add a vote and any extra information to the main ticket it would be appreciated.&lt;/p&gt;

&lt;p&gt;If you haven&apos;t already, you might like to make use of the &lt;a href=&quot;https://bugs.mojang.com/issues/?jql=project=BDS&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;&lt;b&gt;&lt;ins&gt;search feature&lt;/ins&gt;&lt;/b&gt;&lt;/a&gt; to see if the issue has already been mentioned.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Quick Links&lt;/b&gt;:&lt;br/&gt;
&#128211; &lt;a href=&quot;https://aka.ms/MCBugTrackerHelp&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Bug Tracker Guidelines&lt;/a&gt; &amp;#8211; &#128231; &lt;a href=&quot;https://aka.ms/Minecraft-Support&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Mojang Support&lt;/a&gt;&lt;br/&gt;
&#128211; &lt;a href=&quot;https://bugs.mojang.com/projects/BDS/summary&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;Project Summary&lt;/a&gt; &amp;#8211; &#9997;&#65039; &lt;a href=&quot;https://feedback.minecraft.net/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Feedback and Suggestions&lt;/a&gt; &amp;#8211; &#128214; &lt;a href=&quot;https://minecraft.fandom.com/wiki/Bedrock_Dedicated_Server&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;BDS Wiki&lt;/a&gt; &amp;#8211; &#128214; &lt;a href=&quot;https://help.minecraft.net/hc/en-us/articles/360035131651-Dedicated-Servers-for-Minecraft-on-Bedrock-&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;FAQs&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1193673" author="JIRAUSER728612" created="Thu, 18 Aug 2022 05:30:46 +0200"  >&lt;p&gt;Did some more digging into the RAKNET network traffic based on this: &lt;a href=&quot;https://bugs.mojang.com/browse/BDS-17401&quot; title=&quot;Cannot connect to server, malformed RakNet packet&quot; class=&quot;issue-link&quot; data-issue-key=&quot;BDS-17401&quot;&gt;&lt;del&gt;BDS-17401&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;A traffic comparison between with and without the KB5015807 shows that the MC Client sends an ACK (0xc0), it passes through the Hyper-V HOST/Server, the Ubuntu server sees the ACK and responds with it&apos;s own ACK, but that ACK is not passed through the Hyper-V Host back the the client.&lt;/p&gt;</comment>
                            <comment id="1193537" author="JIRAUSER728612" created="Wed, 17 Aug 2022 17:26:04 +0200"  >&lt;p&gt;Noticed a similar issue in this thread.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://bugs.mojang.com/browse/BDS-17499&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;https://bugs.mojang.com/browse/BDS-17499&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://bugs.mojang.com/browse/BDS-17401&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;https://bugs.mojang.com/browse/BDS-17401&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1193234" author="JIRAUSER728612" created="Tue, 16 Aug 2022 17:52:20 +0200"  >&lt;p&gt;Appears to still be an issue with the Microsoft August updates.&#160; Had to remove them then re-remove the July update.&#160; I can see this becoming more and more problematic.&#160; Any ideas/suggestions?&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;Also running 1.19.11&lt;/p&gt;</comment>
                            <comment id="1185641" author="JIRAUSER728612" created="Sat, 23 Jul 2022 18:56:33 +0200"  >&lt;p&gt;I ran into a similar issue on Windows 10 running an Ubuntu Bedrock server through Hyper-V.&#160; Have to remove the comparable patch kb5015807 on the HOST if I want it to work.&lt;/p&gt;

&lt;p&gt;There are two hyper-v changes in the KB release notes that might be related:&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-30223&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;CVE-2022-30223&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-22042&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;CVE-2022-22042&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
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                            <issuelinktype id="10102">
                    <name>Duplicate</name>
                                            <outwardlinks description="duplicates">
                                        <issuelink>
            <issuekey id="510101">BDS-17307</issuekey>
        </issuelink>
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# [Step 2]&lt;br/&gt;
# [Step 3]&lt;br/&gt;
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