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Cannot Shrink Log File 2 (ABC_Log) Because All Logical Log Files Are In Use....

A small database ABC with data only 5 mb but its log is growing everyday around 20 mb. I want to shrink its size like for other databases on daily bases.

1. backup log ABC with truncate_only
got following error:
<<Cannot shrink log file 2 (ABC_Log) because all logical log files are in use.>>

with no_log also tried but have the same error when dbcc shrinkdatabase..
any idea?


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