KB4230465 - FIX: Communication link error when you use datetime2 fields ...
Fixes a communication link error that occurs when you use datetime2 fields while accessing a database in SQL Server 2017.
KB4548001 - FIX: Connection error occurs when you try to connect SQL ...
When you try to connect SQL Server 2017 for Linux on a distribution that has OpenSSL 1.1 configured and OpenSSL 1.0 is not installed, you may receive a connection error message that resembles the following:
SQL Server service crashes when you run a linked server query on a ...
Fixes an issue in which the SQL Server service crashes and you receive an error message when you run a linked server query. This issue occurs after you clear the "Allow inprocess" option in the options dialog box for a linked server provider.
KB5003342 - FIX: SQL Server Express LocalDB can't start or connect to ...
In this situation, you can't start correctly or connect to a shared instance of SqlLocalDB. This problem is fixed in the following cumulative updates for SQL Server: Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Xbox network server connectivity on Windows is blocked
If you can’t connect to an Xbox multiplayer game on Windows 10, go to Settings > Gaming > Xbox Networking. Look for Server connectivity. If the status says Blocked, your PC was unable to establish a Teredo IPsec connection to the Quality of Service (QoS) server.
Troubleshoot NAT errors and multiplayer game issues
Can your Xbox console connect to the Xbox network, but you can’t hear your friends online within a game or a party? Or are you unable to host or join a multiplayer game? If so, then you may be encountering an issue related to Network Address Translation (NAT).
Troubleshoot multiplayer connection errors | Xbox Support
First see if you can correct this error by troubleshooting your connection. If you are using a wireless connection, see: If these network troubleshooting steps don’t resolve the MTU error, return to this page and continue with “Step 2: Change your firewall settings” below.
KB979779 - FIX: Several problems occur when you use a linked server ...
Microsoft distributes Microsoft SQL Server 2008 fixes as one downloadable file. Because the fixes are cumulative, each new release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 fix release.
"Catastrophic failure" error message when you use the "SQL Server Login ...
Explains that the OLEDB provider gets access violation with the DBPROMPT_PROMPT property.
A transient communication failure causes a Windows Server 2008 R2 ...
Fixes an issue in a Windows Server 2008 R2 failover cluster when a transient communication failure occurs.