SQL Server: Fix: Transaction (Process ID) was deadlocked on lock | communication buffer resources with another process and has been chosen as the deadlock victim. Rerun the transaction

I have a nightly SQL Agent job that aggregates backup information from system views to power a Power BI dashboard that the DBA's review periodically for database backup failures. It is actually a PowerShell job that runs every night in parallel to collect the data from hundreds of instances (both SQL Server and Oracle). As …

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