Because the updates, inserts and deletes were in the workload that you're replaying? Whatever's in the workload will get run against the target server if you're replaying it.

The instance will be restarted multiple times and, during the installation when it is running it'll be in administrator-only mode.

You need to check that the SQL instance is running and accessible, because the error is saying that it's not.

Errrr.....

NOT EXISTS or NOT IN, if I've understood what you're asking.

From that error message:

A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name...

Not possible.

If you've lost the log backups before 2pm (and it doesn't matter how many are lost, one is enough) and you don't have a differential or full backup taken after...

Work to do what?

Break your...

John Mitchell-245523 (12/5/2014)

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Just as a matter of interest, why are you switching to single user mode? It's not necessary under normal circumstances to do so before taking a transaction...

You set the database to single user and someone else got the single allowed connection before the log backup did. The connection you ran that from wasn't using that database...

You...

Since you've posted no information, none of the errors that the article showed you how to find, no idea.

At this point I'm recommending that clients on 2005/2008/2008 R2 upgrade to SQL 2014 and for clients on SQL 2012 to stay put unless there's a compelling feature they absolutely...

And crisis, panic, run around screaming, the EF-based app is slow.

600MB database, generating 5GB of trace data in 1 hour....

Query hint overrides server maxdop

Resource governor overrides server maxdop

Query hint does not override Resource governor