We are trying to upgrade our site from 2303 with the latest hotfix to 2309 but the installation fails. The database is located on the same server. It is the only site system.
In the cmupdate.log we first see these errors, but the upgrade seems to carry on
*** [08S01][Microsoft][ODBC Driver 18 for SQL Server]Communication link failure
ERROR: Failed to create assembly ServiceBrokerInterface.
ERROR: Failed to UPDATE CLR assemblies.
Failed to update database.
Then later on we see these errors and the upgrade fails at this point
Failed to apply update changes 0x87d20b15
Error information persisted in the database.
I have verified that the SQL server, even though local, is set to allow remote connections, that SYSTEM does have sysadmin priv and that the memory allocations in SQL are the default values.