SQL 2012 :: Remove TempDB NDF File

Jul 8, 2014

I have added ndf to tempdb for checking performance improvement.... Now I want to remove the ndf file... I am using below command...

USE tempdb
GO
DBCC SHRINKFILE (3, TRUNCATEONLY);
GO
use master
go
ALTER DATABASE TEMPDB Remove FILE tempdev1

Results:
DbIdFileIdCurrentSizeMinimumSizeUsedPagesEstimatedPages
23766476643232

Error:-
(1 row(s) affected)
DBCC execution completed. If DBCC printed error messages, contact your system administrator.
Msg 5042, Level 16, State 1, Line 1

The file 'tempdev1' cannot be removed because it is not empty.

Note:
=>I restarted SQLServer from SSMS and then ran same commands mentioned above ,......and getting same error...
=> I executed above commands and restarted services...no change...

How to remove / drop ndf file...

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May 19, 2015

In tweaking performance of tempdb by adding add'l data files I want to reset back to defaults and remove all add'l files I've created.  I was not able to do it for most as they were in use, but by starting the server in single-user mode with all other sql services shut off, and using sqlcmd I was able to use the ALTER DATABASE tempdb REMOVE FILE <tempdev#> to remove the files... except for one.

I have also tried using the command:

ALTER DATABASE tempdb MODIFY FILE (NAME = tempdev#, FILENAME = '<new location');

Restarted SQL server, and tried the ALTER DATABASE ... REMOVE FILE again but am always denied with the message that the file can't be removed b/c it's still in use.

I also tried to shrink it with EMPTYFILE but that also fails with the message that a page is a work table page and can't be removed.

I really need to get tempdb back to just one data file but am unable to find a way to remove this last data file.

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Jun 16, 2014

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Nov 6, 2015

SQL 2008R2 

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This is the output from sp_helpfile

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hello
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Mar 3, 2015

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Apr 10, 2015

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Oct 26, 2012

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May 19, 2015

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Dec 18, 2012

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USE master
GO
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GO

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[code]

2015-08-10 15:28:42.55 spid7s Error: 5171, Severity: 16, State: 1.
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Some file names listed could not be created. Check related errors.

[code]

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SQL 2012 Standard

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Nov 18, 2014

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Additional Details:

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Aug 27, 2015

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Feb 18, 2014

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Jun 13, 2014

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[Code] .....

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Oct 16, 2014

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Aug 4, 2015

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Hello all I am new here so I am sorry if this question has been asked 1,000,000 times.

First let me describe my environment:

VM-Ware ESX 3.01
3.0Ghz (Dedicated to VM)
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Spotlight for SQL Server
Quest SQL Watch

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