All times I saw this message (cyclic redundancy check) I replaced the tape and it worked. But you can also try to initialize the tape changing the clause "NOINIT" to...

Where are backing up to? Disk or tape?

Are using Maintenance Plan or TSQL command?

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Hi there,

why does transaction log back up give me...

Have you tried the licesing manager in Control Panel? Meybe you can change there. I know you can add licenses there, but never tried to change licensing mode. I think...

I had the same problem and the only solution I found was to restart SQL Server, because system process (like backup) cannot be directly killed.