ERROR Microsoft ODBC Driver Manager Data source name not found and no default driver specified

Question

While connecting  net to sybase server I got this error message       Microsoft  ODBC Driver Manager  Data source name not found and no default driver specified   This has worked properly before  System DSN with same details work and data connection through vs net also work   I am using vs net 2005   Any suggestions

User · Answer

For anyone coming to this latterly  I was having this problem over a Windows network  and offer an additional thing to check    Python script connecting would work from commandline on my  linux  machine  but some users had problems connecting - that it worked from CLI suggested the DSN and credentials were right   The issue for us was that the group security policy required the ODBC credentials to be set on every machine   Once we added that  for some reason  the user had three of the four ODBC credentials they needed for our various systems   they were able to connect    You can of course do that at group level  but as it was a simple omission on the part of one machine  I did it in Control Panel  gt  ODBC Drivers  gt  New

User · Answer

If you re working with an x64 server  keep in mind that there are different ODBC settings for x86 and x64 applications  The  Data Sources  ODBC   tool in the Administrative Tools list takes you to the x64 version  To view edit the x86 ODBC settings  you ll need to run that version of the tool manually    windir  SysWOW64 odbcad32 exe   windir  is usually C  Windows    When your app runs as x64  it will use the x64 data sources  and when it runs as x86  it will use those data sources instead

User · Answer

If you re working with an x64 server  keep in mind that there are different ODBC settings for x86 and x64 applications  The  Data Sources  ODBC   tool in the Administrative Tools list takes you to the x64 version  To view edit the x86 ODBC settings  you ll need to run that version of the tool manually    windir  SysWOW64 odbcad32 exe   windir  is usually C  Windows    When your app runs as x64  it will use the x64 data sources  and when it runs as x86  it will use those data sources instead

User · Answer

Perform the following steps    Start the Registry Editor by typing regedit in the Run window  Select the following key in the registry  HKEY LOCAL MACHINE SOFTWARE ODBC  In the Security menu  click Permissions  Grant Full Permission to the account which is being used for making connections  Quit the Registry Editor

User · Answer

Perform the following steps    Start the Registry Editor by typing regedit in the Run window  Select the following key in the registry  HKEY LOCAL MACHINE SOFTWARE ODBC  In the Security menu  click Permissions  Grant Full Permission to the account which is being used for making connections  Quit the Registry Editor

User · Answer

For anyone coming to this latterly  I was having this problem over a Windows network  and offer an additional thing to check    Python script connecting would work from commandline on my  linux  machine  but some users had problems connecting - that it worked from CLI suggested the DSN and credentials were right   The issue for us was that the group security policy required the ODBC credentials to be set on every machine   Once we added that  for some reason  the user had three of the four ODBC credentials they needed for our various systems   they were able to connect    You can of course do that at group level  but as it was a simple omission on the part of one machine  I did it in Control Panel  gt  ODBC Drivers  gt  New

User · Answer

I got a similar error  which was resolved by installing the corresponding MySQL drivers from   http   www connectionstrings com mysql-connector-odbc-5-2 info-and-download   and by performing the following steps    Go to IIS and Application Pools in the left menu  Select relevant application pool which is assigned to the project  Click the Set Application Pool Defaults  In General Tab  set the Enable 32 Bit Application entry to  True     Reference   http   www codeproject com Tips 305249 ERROR-IM-Microsoft-ODBC-Driver-Manager-Data-sou

User · Answer

Perform the following steps    Start the Registry Editor by typing regedit in the Run window  Select the following key in the registry  HKEY LOCAL MACHINE SOFTWARE ODBC  In the Security menu  click Permissions  Grant Full Permission to the account which is being used for making connections  Quit the Registry Editor

User · Answer

I got a similar error  which was resolved by installing the corresponding MySQL drivers from   http   www connectionstrings com mysql-connector-odbc-5-2 info-and-download   and by performing the following steps    Go to IIS and Application Pools in the left menu  Select relevant application pool which is assigned to the project  Click the Set Application Pool Defaults  In General Tab  set the Enable 32 Bit Application entry to  True     Reference   http   www codeproject com Tips 305249 ERROR-IM-Microsoft-ODBC-Driver-Manager-Data-sou

User · Answer

Perform the following steps    Start the Registry Editor by typing regedit in the Run window  Select the following key in the registry  HKEY LOCAL MACHINE SOFTWARE ODBC  In the Security menu  click Permissions  Grant Full Permission to the account which is being used for making connections  Quit the Registry Editor

[.net] ERROR : [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified

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