Xp_cmdshell Problem With SQL Server 6.5?
Mar 19, 1999
I have an external program which runs by the xp_cmdshell. This program get data from serial port and then store it back to the database (directly, by JDBC) It seems to me that when xp_cmdshell is running a program, the whole SQL server stop responding to any other request. (Is this normal?) Anyways, I insert a record into a table and this triggers an external program to run. But then the whole SQL server is hold at that stage. Logins are ok but no SQL or T-SQL commands are accepted. It seems to me like the SQL server (xp_cmdshell in specific) is waiting for the external program to terminate but the external program is waiting for the server is be ready to accept data. They are both waiting for each other. Any suggestions here?
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Oct 7, 1999
I am trying to issue an xp_cmdshell command via a guest account. I have given the guest user in the master db exec rights, and when I do something simple like
execute xp_cmdshell 'dir c:'
I just get the reply that the command completed without any returned data. However when I am on as 'sa' I get the results back as expected.
Any ideas anyone!
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Jan 31, 2002
And can I send an argument with the command in the commandline.
Thanks in advance from a student in Norway
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Feb 8, 2007
hi,does anybody know how to enable/disable xp_cmdshell in sql server2000.i our server this sp has been disbaled for security puropse.but i needto use it in a job.so please can any body guide me?thanks for the help.-Shark.
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Nov 3, 2004
how i can clear sql server logs by run xp_cmdshell stored procedure.
(my user in sql server is a admin).
i don't want use enterprise manager . i want write a query and use at xp_cmdshell .
befor thx.
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Nov 16, 2006
Hi,
I have to named instances on one server. I'd like to use xp_cmdshell for some interfaces.
I've "activated" the xp_cmdshell feature. I set a proxy account und and gave the sql user the right to exec xp_cmdshell.
Unfortunately the command
EXEC sp_xp_cmdshell_proxy_account 'DOMAINproxyaccount','APassword'
throws following error:
Msg 15121, Level 16, State 200, Procedure xp_cmdshell, Line 1
An error occurred during the execution of xp_cmdshell. A call to 'LogonUserW' failed with error code: '1326'.
... and yes, the username and password should be valid ;-)
When I exec (makes no sense, I now...)
EXEC xp_cmdshell 'echo 123'
The following error occurs:
Msg 15121, Level 16, State 200, Procedure xp_cmdshell, Line 1
An error occurred during the execution of xp_cmdshell. A call to 'LogonUserW' failed with error code: '1326'.
Has anyone of you an idea?
Thank you very much, Frederik
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Dec 13, 2007
SQL Server 2005: Microsoft SQL Server Enterprise Edition (64-bit)
Microsoft Windows NT 5.2 (3790)
SQL Version 9.00.3175.00
I have 2 identical servers... one for DEV and one for TEST. On the DEV server, I can use xp_cmsdhell to execute "administrative commands" such as NET SHARE and AT. On the identically configured TEST server, I can not. Those command return the "System error 5 has occurred. Access is denied" error. I CAN run other commands via xp_cmdshell (DIR, NET USE, etc.). This is true regardless of the account I connect as.
The SQL Server service accounts in both instances are domain accounts belonging to the local admin group.
I "know" that I ran across this when setting up the DEV server and am "fairly sure" I found a reference to a known problem with 2005's xp_cmdshell and administrative commands. But for the life of me I can not now find any such reference, nor can I find any differences between the DEV and TEST servers in the area of users, groups, policies, or anything else security-related. (99.9% of the internet searches I do end up being about either enabling xp_cmdshell -- done -- or setting up an xp_cmdshell proxy account -- not needed).
Any input is greatly appreciated.
Thanks!
-dave
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Jun 20, 2007
I am using XP_CMDSHELL to run 2 Windows commands (from a SQL 2005 SP2 server) that access files on a remote server (called webserver). The two commands are:
1. cscript.exe \webserverwwwrootEur_SaveProductImages.vbs
2. dir \webserverwwwroot
Up until very recently this worked fine. Now I am getting Access Is Denied errors:
For #1:
Microsoft (R) Windows Script Host Version 5.6
Copyright (C) Microsoft Corporation 1996-2001. All rights reserved.
CScript Error: Loading script "\webserverwwwrootEur_SaveProductImages.vbs" failed (Access is denied. ).
For #2:
Access is denied.
This happens if the above commands are run through a job, or directly with Query Analyzer as SA.
I understand that XP_CMDSHELL commands are run in the security context of the SQL Server startup account. The SQL Server startup account is called SQLServer and this account exists on both webserver and the database server. On both servers the username & password are identical and the user is in the local Administrators group. The two servers are in a workgroup.
Things I have tried (with no effect):
1. Restarted the servers
2. Deleted and recreated the SQLServer login on both servers
3. Changed the startup account for SQL Server through the SQL Server Configuration Manager to another account and back to SQLServer.
The most revealing tests are these:
1. If I log into the database server myself using the SQLServer account I can run the above commands in a Command Prompt with no problem
2. I installed SQL 2005 Express SP2 on webserver using the same startup account (SQLServer). If I run the same XP_CMDSHELL commands as above but accessing files on the database server, the commands work!
So, an XP_CMDSHELL command run under SQL Express using the local SQLServer account to access a remote server works, but an XP_CMDSHELL command run under SQL Server using a local SQLServer account (that is supposedly identical to the same named account on the other server) does not work !!?!?!?
It is almost as if XP_CMDSHELL commands run under SQL Server are NOT using the SQLServer startup account, but using some other weaker account. How can I tell if this is true?
How can I get this back working (as it was a week ago). The only thing I can think that happened on the servers to cause this is the installation of Windows Updates.
Thanks
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Jul 20, 2005
Hi allI have a stored procedure that has the lineEXEC master..xp_cmdshell 'dtsrun /Stestjob1 /N testdts /E'If I run the SP from an access front end as a trusted user or from ascheduled job it runs fine and exectues the dts.If I run the stored procedure using VB6 as a standard connection the dtsjobwont run. I get back Execute permissions denied on xp_cmd.. on databasemasterdb_connect_string = "Provider=SQLOLEDB.1;Persist Security Info=False;UserID=test_connect;PWD=pw1test;Initial Catalog=testdb;Data Source=" &database_name....Set cmd = New ADODB.Commandcmd.ActiveConnection = db_connect_stringcmd.CommandType = adCmdStoredProccmd.CommandText = "testStoredProcedure"cmd.ExecuteDo I need to give test_connect permisions to run the test stored procedure.I hoped that because the VB called a stored procedure and the connection hadpermissions to execute the SP then it would be the SP that called thexp_command....can anyone tell me the accepted way to do thismany thanksAndy
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Feb 15, 2008
How to write errors in event log of machine from SQL Server through XP_Cmdshell
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Mar 7, 2008
I am using the xp_cmdshell to run a batch file that is trying to open the Adobe Acrobat Reader.
When I run the batch file in the command prompt, it opens perfectly.
When I run it in SQL with xp_cmdshell, it returns the contents fine, and I notice it tries to open Acrobat, but it is under the username "system". And I cannot get it to load in a visible area, and for some reason it doesnt seem to load properly under system.
Any ideas? Any Suggestions?
Please advise.
Marco
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May 15, 2001
Hello,
I am trying to create a directory containing the date and then copy all the files in the current directory to it.
If I run the T-SQL script found below within Query Analyser it works fine (directory is created and files are copied in to it).
But if I run it as SQL task within DTS, only the directory is created. The files are not copied in to it!?!
I thought it maybe a permissions problem, but the SQL Server/Agent account is a local administrator and has sysadmin role with SQL Server.
I would be grateful of any assistance in this problem.
Thanks in advance,
Chris.
SQL:
declare @directoryname varchar(200)
declare @doscmd varchar(255)
select @directoryname = 'e:Audit_table_archive' + rtrim(cast(day(getdate())as char)) + rtrim(cast(month(getdate())as char)) + rtrim(cast(year(getdate())as char))
select @doscmd = 'mkdir ' + @directoryname
exec master..xp_cmdshell @doscmd
select @doscmd = 'copy e:Audit_table_archive*.* e:Audit_table_archive' + rtrim(cast(day(getdate())as char)) + rtrim(cast(month(getdate())as char)) + rtrim(cast(year(getdate())as char)) + '*.*'
exec master..xp_cmdshell @doscmd
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Jul 9, 2001
does anyone know how to execute a FTP command through sql server 7? I am creation a table and need to ftp the result set. I have it currently creation the table, turning it into a CSV txt file and placing it in a directory. I have to then manually ftp the txt file. I want to automate this process but I cant get the FTP command to execute throught the xp_cmdshell. It will work at the DOS prompt though so I know the syntax is correct. Any sugetsions would be appreciated.
-Nathan
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Aug 10, 2001
hi everybody
My requirement is, I have to transfer database backup files from one server to another server to take tape backup. Generally in my backup folder there will be 4days backups. I want to schedule a job so that after database backed up, today’s backup file only copied to the other server. I wrote following code, upto xp_cmdshell every thing is working fine.
But xp_cmdshell statement is giving error. I have to use variable value with sp_cmdshell. Please give me the solution for this.
declare @year1 as varchar(4),@month1 as varchar(2),@day1 varchar(2),@filename varchar(40)
set @year1=ltrim(str(year(getdate())))
if month(getdate())<10
set @month1='0'+ltrim(str(month(getdate())))
else
set @month1=ltrim(str(month(getdate())))
if day(getdate())-1 <10
set @day1='0'+ltrim(str(day(getdate())-1))
else
set @day1=ltrim(str(day(getdate())-1))
set @filename='EMPTest_db_'+ @year1+@month1+@day1+'*.bak'
xp_cmdshell @a
thanks
Keerthi
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Aug 17, 2001
I am trying to run a Visual Basic Script using the xp_cmdshell stored procedure. When I try to run the file, the MS Script Debugger application is started.
I run the script like this: "xp_cmdshell 'D:ScriptFilesSpaceMail.vbs'"
I can run it from the DOS prompt successfully, but not from Query Analyzer. Does anyone have any suggestions on how to prevent the MS Script Debugger from running?
Chris
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Sep 7, 2001
Hi,
I am trying to run bcp with xp_cmdshell inside a trigger. Whenver I update table the server is hanging. It creates the file in specified location but of ZERO size and I cannot delete it unless I stop SQL server service.
The smae code runs from a stored procedure without any problem.
Can you pl tell me if there are any LIMITATIONS with xp_cmdshell and Trigger.
Thanks
sekhar
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Apr 14, 2000
Hi!!!
Can someone help me?
How can I get the result of following execution in some stored procedure, and work with it:
exec xp_cmdshell 'dir c:'
Thanx in advance
Laert
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Nov 1, 2000
Hi,
while using XP_cmdshell for renaming a file , can I concatenate the current date to the file?
Ramam
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Nov 28, 2000
Hi,
What is best way to compare two files and get the most recent one using xp_cmdshell?
Thanks
TT
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Nov 28, 2000
Hi,
I am trying to execute this command.
use master
exec xp_cmdshell..'dir estserverest_dataInventory_Files*.txt /b'
I am getting the following error..
output
------------------------------------------------------------------------------Logon failure: unknown user name or bad password.
I am logged on as 'sa' for that server.
Any suggestion on how to resolve this?
Thanks in advance.
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Mar 8, 2000
Hai ,
I beleive this is simple question but I have problem using this command
I was trying to delete contents of a temp folder thru TSQL.
Correct me if wrong
For example
xp_cmdshell " del c:emp*.*"
This is leading me to prompt 'Are you sure to delete Y/N'.
How do I write a command to say Y.
I want to schedule this every week. Is there any other way to do this task
like using AT command ,etc.
Thank you in advance
Surya
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Mar 1, 2000
Hi !
I am trying to use xp_cmdshell
---
xp_cmdshell 'dir abcc$'
---
where abc is host name
and C$ is shared name
I get the following error message
"Logon failure: unknown user name or bad password."
I execute the same command at the dos prompt , I get the directory listing
Any suggestions??
Thanks.
KMM
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Jul 6, 2000
Hi Guys,
i am trying to run an .exe file from queryanalyzer for my testing.I am using the following command
exec master..xp_Cmdshell 'C:extEXEproject1.exe -SCHEETAH -Uvijay -Pbell'
CHEETAH is my server name
User :vijay
pwd:bell
the problem is its running forever in QueryAnalyzer,when i tried to run the
same thing from dosprompt its executing fine.
Please help me in this
thanks for any help
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Jun 6, 2003
SQL 7.0
I have given a non sa user permissions to run xp_cmdshell via his NT logon. When he runs it and does a "dir" of the server it works. When he trys to do a "dir" of his own machine it comes up with "Logon failure unknown user name or bad password".
SQL Agent is running under a domain admin account. I have placed SQLAgentCmdExec in the servers local administrators group. I have de-selected the option from SQLAgent propertiesJob System which restricts non sa users executing CmdExec stuff. I did attempt to Reset Proxy Account and Reset Proxy Password. When I clicked on these it just gave me message that the account and password had successfully been reset without asking me for username, password or domain.
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Sep 24, 2003
Hello, friends,
This is probably not a question for DBA forum, but may be someone knows the answer.
In the stored procedure I'm using xp_cmdshell command to copy file from one dir to another.
How I can receive any indication what the process succeded?
xp_cmdshell return 1 or 0 if the stored procedure was invoked,
I would like to receive an indication that the file was copied.
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Aug 22, 2001
How to create directory and file using xp_cmdshell..?
Thanks,
Harish
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May 12, 1999
I tried to use the external procddure - xp_cmdshell - to copy a file from a local drive to a network drive, but failed. Yet the attempt succeeded if I tried to copy a file from one place to another in local drive.
It seems that SQL Server 6.5/7.0 did not recognize any network drive.
I greatly appreciate your help/assistance and/or any hint(s). Thanks a lot
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Nov 2, 1998
Hi there!
Is it possible to supply variable for the xp_cmdshell parameter?
here's an example:
declare @@okay char(20)
select @@okay = "dir c:mssqlinn"
exec master..xp_cmdshell @@okay
but this doesn't work. is there any workaround on this? instead
of writing a new extended sp to cater for this.
thanks in advance.
dion
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Apr 13, 2005
I was able to run DTS using xp_cmdshell. In my dts I have 3 global variables which I would like to pass. Can I pass a variable values using xp_cmdshell?
xp_cmdshell 'DTSRUN /S ServerName /U user/P pass /N "DTS_Name" '
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Jun 15, 2004
Hi,
I need to do FTP using a FTP script...here is the syntax that i am using
ftp -s:c: empftpcmd.txt > c: emplog.txt
when i run it thru the command line, log.txt file has the following
==================================================
ftp> Connected to 9.999.99.999.
open 9.999.99.999
220-YYYY1 XXX FTP CS V1R2 at XXXXXX.XXXXXX.XXX.COM, 16:55:07 on 2004-06-15.
220 Connection will close if idle for more than 5 minutes.
User (9.999.99.999:(none)):
331 Send password please.
230 USERNAME is logged on. Working directory is "USERNAME.".
ftp> Invalid command.
ftp>
ascii
200 Representation type is Ascii NonPrint
ftp> get 'XXX.YYY.ZZZ.ACCOUNT' c: empXXX.YYY.ZZZ.ACCOUNT.txt
200 Port request OK.
125 Sending data set XXX.YYY.ZZZ.ACCOUNT FIXrecfm 22
250 Transfer completed successfully.
ftp: 1172544 bytes received in 3.31Seconds 353.82Kbytes/sec.
ftp> quit
221 Quit command received. Goodbye.
=================================================
but when i run it from inside a query...using
declare @cmd varchar(1000)
select @cmd = 'ftp -s:c: empftpcmd.txt > c: emplog.txt'
exec master..xp_cmdshell @cmd
the log.txt file has
=================================================
User (3.172.28.153:(none)): open 3.172.28.153
Invalid command.
ascii
get XXX.YYY.ZZZ.ACCOUNT' c: empXXX.YYY.ZZZ.ACCOUNT.txt
quit
=================================================
why is this differnece? what can i do so that i get full details in the log file.
please help.
thanks
rohit
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Apr 27, 2007
Where should i read up on using
dos commands in conjunction with the xp_cmdshell extended stored procedure..
I need to manipulate file names....
move copy take off ... parts of the filename and replace... them...
etc... any good sites or topics... so that I can learn how to do this...
thanks...
jonathan
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Oct 4, 2007
Hi All,
I've recently installed SQL Server 2005 and now trying to enable xp_cmdshell through SQL Server 2005 Surface Area Configuration. However, I am getting the following error:
User does not have permission to perform this action.
You do not have permission to run the RECONFIGURE statement.
I am logged in as "sa".
How can I make it work?
Thanks.
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Feb 25, 2004
how to enable xp_cmdshell
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