Many SQL TCP connections after starting addons

Hi experts,
we encounter some problematic behaviour in a producive environment with 45 clients. After starting 4 custom addons the "sqlserv.exe" 16 - 20 TCP IP connections are opened and stay opened as long as the client+addons are running.
The addons are UI and DI (SSO) and they are performing maybe one or two recordset queries, which are closed and GC immediatly.
We experienced some client crashes which we traced back to SAP/SQL Server inresponsivity - some of sqlserv.exe instances have a latency of almost a second.
The server is high end ( Xeon E5 2620,64GB RAM,dedicated SAS HD for each DB ,Windows Server 2008 Enterprise, MSSQL 2012, domain) and is laughing about duties .
In 1st development environment same problem ( domain ) , in standalone 2nd environment not reproduceable.
Difference : domain ( RSP -> off and firewall -> but is LAN open, no rules )
I know this is more an administration problem but it occurs only after starting addons.
SBO 9.0 PL 8
Has anyone experienced the same problem or has an idea ?
thanks,
Maik

Hi Eric,
thanks for your response.
I am using only DI API Recordset and DataTable to read from DB. If I use direct SQL queries I can see them opening and closing ( what is expected ) - so no problem there.
My main concern is that I can't reproduce the behaviour on 2 standalone development machines which are not part of the domain. Also pure DI API connections ( no SSO ) don't seem to be affected. All in all it is very frustrating for my customer to have an highend server + good infrastructure+ uptodate desktops and SBO is crashing constantly because of memory leaks and now also because of SQL problems.
regards,
Maik

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Solved!
Go to Solution.
Attachments:
Basic_VI.png ‏84 KB
Expanded_VI.png ‏89 KB

AvdLinden wrote:
Hi ThiCop,
Yes the error occurs after exactly 113655 bytes every time. The timeout control I would like to use is 10ms, however even increasing this to 1s or 10s does not remove the error, which leads me to believe that this is not the issue (furthermore, not adding any delay to the while loop, thus letting it run at maximum speed, has shown that the TCP connection is able to send all 113655 bytes in under 3 seconds again pointing towards the timeout control not being the issue here).
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[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Server]
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ASSVCPASSWORD: <empty>
ASSVCSTARTUPTYPE: Automatic
ASSYSADMINACCOUNTS: <empty>
ASTEMPDIR: Temp
BROWSERSVCSTARTUPTYPE: Disabled
CLTCTLRNAME: <empty>
CLTRESULTDIR: <empty>
CLTSTARTUPTYPE: 0
CLTSVCACCOUNT: <empty>
CLTSVCPASSWORD: <empty>
CLTWORKINGDIR: <empty>
COMMFABRICENCRYPTION: 0
COMMFABRICNETWORKLEVEL: 0
COMMFABRICPORT: 0
CONFIGURATIONFILE:
CTLRSTARTUPTYPE: 0
CTLRSVCACCOUNT: <empty>
CTLRSVCPASSWORD: <empty>
CTLRUSERS: <empty>
ENABLERANU: true
ENU: true
ERRORREPORTING: true
FEATURES: SQLENGINE, REPLICATION, FULLTEXT, RS, BIDS, BOL, SSMS, SNAC_SDK, LOCALDB
FILESTREAMLEVEL: 0
FILESTREAMSHARENAME: <empty>
FTSVCACCOUNT: NT Service\MSSQLFDLauncher
FTSVCPASSWORD: <empty>
HELP: false
IACCEPTSQLSERVERLICENSETERMS: false
INDICATEPROGRESS: false
INSTALLSHAREDDIR: C:\Program Files\Microsoft SQL Server\
INSTALLSHAREDWOWDIR: C:\Program Files (x86)\Microsoft SQL Server\
INSTALLSQLDATADIR: <empty>
INSTANCEDIR: C:\Program Files\Microsoft SQL Server\
INSTANCEID: MSSQLSERVER
INSTANCENAME: MSSQLSERVER
ISSVCACCOUNT: NT AUTHORITY\Network Service
ISSVCPASSWORD: <empty>
ISSVCSTARTUPTYPE: Automatic
MATRIXCMBRICKCOMMPORT: 0
MATRIXCMSERVERNAME: <empty>
MATRIXNAME: <empty>
NPENABLED: 0
PID: *****
QUIET: false
QUIETSIMPLE: false
ROLE: AllFeatures_WithDefaults
RSINSTALLMODE: DefaultNativeMode
RSSHPINSTALLMODE: DefaultSharePointMode
RSSVCACCOUNT: NT Service\ReportServer
RSSVCPASSWORD: <empty>
RSSVCSTARTUPTYPE: Automatic
SAPWD: *****
SECURITYMODE: SQL
SQLBACKUPDIR: <empty>
SQLCOLLATION: SQL_Latin1_General_CP1_CI_AS
SQLSVCACCOUNT: NT Service\MSSQLSERVER
SQLSVCPASSWORD: <empty>
SQLSVCSTARTUPTYPE: Automatic
SQLSYSADMINACCOUNTS: ABHI\abhi24
SQLTEMPDBDIR: <empty>
SQLTEMPDBLOGDIR: <empty>
SQLUSERDBDIR: <empty>
SQLUSERDBLOGDIR: <empty>
SQMREPORTING: true
TCPENABLED: 0
UIMODE: AutoAdvance
UpdateEnabled: true
UpdateSource: MU
X86: false
Configuration file: C:\Program Files\Microsoft SQL Server\110\Setup Bootstrap\Log\20150216_102728\ConfigurationFile.ini
Detailed results:
Feature: Management Tools - Basic
Status: Failed: see logs for details
Reason for failure: An error occurred for a dependency of the feature causing the setup process for the feature to fail.
Next Step: Use the following information to resolve the error, uninstall this feature, and then run the setup process again.
Component name: SQL Server Common Files
Component error code: 0x84BB0001
Error description: The MOF compiler could not connect with the WMI server. This is either because of a semantic error such as an incompatibility with the existing WMI repository or an actual error such as the
failure of the WMI server to start.
Error help link: http://go.microsoft.com/fwlink?LinkId=20476&ProdName=Microsoft+SQL+Server&EvtSrc=setup.rll&EvtID=50000&ProdVer=11.0.3128.0&EvtType=0xA60E3551%400xD3BEBD98%401211%401&EvtType=0xA60E3551%400xD3BEBD98%401211%401
Feature: SQL Server Data Tools
Status: Failed: see logs for details
Reason for failure: An error occurred for a dependency of the feature causing the setup process for the feature to fail.
Next Step: Use the following information to resolve the error, uninstall this feature, and then run the setup process again.
Component name: SQL Server Common Files
Component error code: 0x84BB0001
Error description: The MOF compiler could not connect with the WMI server. This is either because of a semantic error such as an incompatibility with the existing WMI repository or an actual error such as the
failure of the WMI server to start.
Error help link: http://go.microsoft.com/fwlink?LinkId=20476&ProdName=Microsoft+SQL+Server&EvtSrc=setup.rll&EvtID=50000&ProdVer=11.0.3128.0&EvtType=0xA60E3551%400xD3BEBD98%401211%401&EvtType=0xA60E3551%400xD3BEBD98%401211%401
Feature: Reporting Services - Native
Status: Failed: see logs for details
Reason for failure: An error occurred for a dependency of the feature causing the setup process for the feature to fail.
Next Step: Use the following information to resolve the error, uninstall this feature, and then run the setup process again.
Component name: SQL Server Common Files
Component error code: 0x84BB0001
Error description: The MOF compiler could not connect with the WMI server. This is either because of a semantic error such as an incompatibility with the existing WMI repository or an actual error such as the
failure of the WMI server to start.
Error help link: http://go.microsoft.com/fwlink?LinkId=20476&ProdName=Microsoft+SQL+Server&EvtSrc=setup.rll&EvtID=50000&ProdVer=11.0.3128.0&EvtType=0xA60E3551%400xD3BEBD98%401211%401&EvtType=0xA60E3551%400xD3BEBD98%401211%401
Feature: Database Engine Services
Status: Failed: see logs for details
Reason for failure: An error occurred during the setup process of the feature.
Next Step: Use the following information to resolve the error, uninstall this feature, and then run the setup process again.
Component name: SQL Server Database Engine Services Instance Features
Component error code: 0x80004005
Error description: The system cannot find the path specified
Error help link: http://go.microsoft.com/fwlink?LinkId=20476&ProdName=Microsoft+SQL+Server&EvtSrc=setup.rll&EvtID=50000&ProdVer=11.0.3128.0&EvtType=0xF57C3D6F%400xDC80C325&EvtType=0xF57C3D6F%400xDC80C325
Feature: Full-Text and Semantic Extractions for Search
Status: Failed: see logs for details
Reason for failure: An error occurred for a dependency of the feature causing the setup process for the feature to fail.
Next Step: Use the following information to resolve the error, uninstall this feature, and then run the setup process again.
Component name: SQL Server Database Engine Services Instance Features
Component error code: 0x80004005
Error description: The system cannot find the path specified
Error help link: http://go.microsoft.com/fwlink?LinkId=20476&ProdName=Microsoft+SQL+Server&EvtSrc=setup.rll&EvtID=50000&ProdVer=11.0.3128.0&EvtType=0xF57C3D6F%400xDC80C325&EvtType=0xF57C3D6F%400xDC80C325
Feature: SQL Server Replication
Status: Failed: see logs for details
Reason for failure: An error occurred for a dependency of the feature causing the setup process for the feature to fail.
Next Step: Use the following information to resolve the error, uninstall this feature, and then run the setup process again.
Component name: SQL Server Database Engine Services Instance Features
Component error code: 0x80004005
Error description: The system cannot find the path specified
Error help link: http://go.microsoft.com/fwlink?LinkId=20476&ProdName=Microsoft+SQL+Server&EvtSrc=setup.rll&EvtID=50000&ProdVer=11.0.3128.0&EvtType=0xF57C3D6F%400xDC80C325&EvtType=0xF57C3D6F%400xDC80C325
Feature: SQL Browser
Status: Passed
Feature: Documentation Components
Status: Passed
Feature: SQL Writer
Status: Passed
Feature: LocalDB
Status: Passed
Feature: SQL Client Connectivity
Status: Passed
Feature: SQL Client Connectivity SDK
Status: Passed
Rules with failures:
Global rules:
Scenario specific rules:
Rules report file: C:\Program Files\Microsoft SQL Server\110\Setup Bootstrap\Log\20150216_102728\SystemConfigurationCheck_Report.htm

Hi,
It seems to me like you have
1. Previous failed instance of SQL Server installation which subsequently caused further SQL Server installations to fail
2. The windows account with which you logged into machine to install SQL Server is corrupt
You can, If possible create a new windows account give it admin privileges and then log into machine using this account
After you login follow below method to remove failed SQL Server installation
Uninstall
Uninstall SQL Server completely from add remove program. Make sure no previous failed installation fragments are present on your system. Please use this
link for uninstalling existing instance of SQL Server
. If you have SQL Server 2005
use this link .
If you are unable to uninstall SQL Server completely because you deleted SQL Server files and un-installation is giving error please follow below method. This method is tested and suggested on
this thread and
Forum .
Below Solution (about removing reg keys) will work correctly for SQL Server having Just one instance.
If you have multiple instances and you have messed up SQL Server installation please contact Microsoft Support personal to get better guidance on removal of SQL Server. Please DONT use this method if you are new to SQL Server take help of experienced
DBA to locate proper registry keys and remove them if you are not confident at all it would be better calling Microsoft Support.
Note: Removing necessary registry entries might cause SQL Server instance to crash so backup registry before doing changes.
1. Uninstall the existing SQL Server and all the components from the add remove program.
2.
Backup the registry .
3. Delete the following keys using regedit:
--HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server
--HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSSQLServer
4. Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall and delete all the sub-keys referencing SQL Server.
5. Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services and delete all the keys referencing SQL Server.
6. Rename all the SQL Server folders in the computer.
7. Reboot the machine.
Please mark this reply as answer if it solved your issue or vote as helpful if it helped so that other forum members can benefit from it
My Technet Wiki Article
MVP

TCP connection closed but a child process of SQL Server may be holding a duplicate of the connection's socket in SQL2008R2

Hello,
I do get the below SQL error in production environment intermittently:
TCP connection closed but a child process of SQL Server may be holding a duplicate of the connection's socket. Consider enabling the TcpAbortiveClose SQL Server registry setting and restarting SQL Server. If the problem persists, contact Technical
Support.
According to the post I search in MSDN, the above error is fixed in SQL2008R-CU6, but I have SQL2008R2-SP02 CU09 patch in production environment and the above error still occurred intermittently. I am running SQL2008R2 SP02 CU09 patch with Windows 2008R2-SP01.
I would like to know if anyone has the same error happened to their SQL environment after applied SQL2008R2-SP02 CU06 patch and later.
Any suggestion would be helpful.
Best regards,
PL.

Hello,
What happen if you apply the changes on the registry explained on the workaround section of the following article?
http://support.microsoft.com/kb/2491214
Hope this helps.
Regards,
Alberto Morillo
SQLCoffee.com

IMac can't connect to internet dial up after start up.

I've a problem every time I try to make a connection to the internet directly after starting up my iMac. The very first time I try to log on to my ISP the Mac appears to make a connection, the status window in Internet connect indicates that it has (generally 52-54000bps), but when I try to surf, my browser can't find any sites, same with email. I get the standard connection noise when dialing out, occasionally the noise drops out mid way through, but it always makes a connection. Sometimes it will disconnect after about 30-40 secs, sometimes it doesn't. When I reconnect a second time I get good speeds and can stay on for hours. This is happening every time I boot up and dial out, basically I now expect to have to dial out twice before I can get onto the web every time I switch on the computer.
I've read a few threads re this problem, it seems the iMac has a software modem which can cause some problems, but there doesn't seem to be too many complaints about this exact same issue. Should I be getting a Mac tech to sort this out or is this a generic issue that may be resolved in a future software update? This is a new Mac my second as the first nearly flew out the window after a kernel panic. Apple tech support in Sydney don't seem to have heard of this problem, and have told me to re install the OS again, which of course I have, plus run disk aid and re set the permissions etc etc...
The ISP has given me an alternative dial up number which actually works the first time I dial in, but I only get speeds of 28000bps. Can anyone shed any light on this? Will I get a similar problem if I went to Broadband?
Thanks for any comments...

Unfortunately I've not got any help on this issue. An Apple tech has told me to try changing the modem settings down to V34 which I did, the connection worked correctly but I was only getting speeds of up to 33000bps, real speed tests showed I was actually only on 28000bps, same as when I dialed the alternative number given by the ISP, not good enough. I don't have any other devices connected to the phone line, in fact the line is only used for the internet. Maybe there is a problem with this type of software modem, but then why isn't there more comments here, unless everyone else is on broadband. Apple and my ISP seem to think the slower connection is more reliable, it is but at a cost. Not sure why this is considered better when the speed is so slowww. Like Seb above I don't have any problems when I'm using a Windows lap top on the same line.
Anyone out there know the answer??? There are at least 3 of us with this problem...

Many SQL TCP connections after starting addons

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