Error: The database [filepath] is in use in single-user mode. (263) - when copying live to demo database
  • 10 Feb 2023
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Error: The database [filepath] is in use in single-user mode. (263) - when copying live to demo database

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Article summary

An error occurs when manually running the copy live to demo shortcut on the server.

** The database c:\npo\demo\dbfiles\found is in use in single-user mode. (263)

Steps To Duplicate:
  1. Double click the shortcut to copy live to demo
  2. Follow any prompt on the screen
  3. Receive the error message
  4. Press any key to end
Answer:
Many times this is caused by the _dbutil.exe utility holding onto the Demo database files and thus not allowing them to be updated or to start.
  1. In Windows, open the task manager.
  2. Go to the Processes tab
  3. Look for a process called _dbutil.exe. (It may be visible on the details tab if not on the processes tab)
  4. To verify, right click on the _dbutil.exe process and select Open file location
  5. You should be directed to the _dbutil.exe in \npo\dlc\bin
  6. After verifying that, go back to task manager, click on the _dbutil.exe process and then click the End Process button on the bottom
  7. Run the Copy Live to Demo task again and it should be successful and the database should start during that process
  8. After that process is finished, have users log into the Test\Demo database to be sure it is functional

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