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TWAIN devices not enumerated using a Citrix session

Support for GdTwain ActiveX and GdTwain Pro ActiveX/SDK.

TWAIN devices not enumerated using a Citrix session

Postby gertschi » Sat Feb 20, 2010 11:10 pm

Dear Support!

We try to use GdTwain on a published application with Citrix Presentation Server 4.5.
The goal should be that the locally attached scanners are redirected to the application on the server.

We tried Photoshop Elements 8 to check the environment and using PSE the scanner on the client works fine.

Unfortunately GdTwain tells us there are no devices present - we used the same setup.

The twain log from GdTwain shows:

Code: Select all
#GdTwain Log Start. Version: 636

RC:   TWRC_SUCCESS
CC:   TWCC_SUCCESS
State: 1
-------------------
GetValidHwnd: Creating Proxy window.
RC:   TWRC_SUCCESS
CC:   TWCC_SUCCESS
State: 1
-------------------
Start: OpenSourceManager.
RC:   TWRC_SUCCESS
CC:   TWCC_SUCCESS
State: 1
-------------------
DSM library loaded: C:\Windows\syswow64\twaindsm.dll
RC:   TWRC_SUCCESS
CC:   TWCC_SUCCESS
State: 1
-------------------
Entry point of the DSM found.
RC:   TWRC_SUCCESS
CC:   TWCC_SUCCESS
State: 1
-------------------
End: OpenSourceManager.
RC:   TWRC_SUCCESS
CC:   TWCC_SUCCESS
State: 3
-------------------
GDTWAIN_Mgr: Start Getting DAT_STATUS
RC:   TWRC_ENDOFLIST
CC:   TWCC_SUCCESS
State: 3
-------------------
GDTWAIN_Mgr: End Getting DAT_STATUS
RC:   TWRC_ENDOFLIST
CC:   TWCC_SUCCESS
State: 3
-------------------
#GdTwain Log Stop.

#GdTwain Log Start. Version: 636

RC:   TWRC_ENDOFLIST
CC:   TWCC_SUCCESS
State: 3
-------------------
GDTWAIN_Mgr: Start Getting DAT_STATUS
RC:   TWRC_ENDOFLIST
CC:   TWCC_SUCCESS
State: 3
-------------------
GDTWAIN_Mgr: End Getting DAT_STATUS
RC:   TWRC_ENDOFLIST
CC:   TWCC_SUCCESS
State: 3
-------------------
#GdTwain Log Stop.


Please provide clues!

Tnx
Gerhard
gertschi
 
Posts: 3
Joined: Sat Feb 20, 2010 11:02 pm

Re: TWAIN devices not enumerated using a Citrix session

Postby Loïc » Mon Feb 22, 2010 10:37 am

Hi Gerhard,

Does your scanner has a twain driver ? This driver should be installed in: C:\Windows\twain_32

IE:

C:\Windows\twain_32\[DRIVER NAME]

With best regards,

Loïc
Loïc Carrère, support team.
www.orpalis.com
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Loïc
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Re: TWAIN devices not enumerated using a Citrix session

Postby gertschi » Thu Mar 11, 2010 3:12 pm

Hi!

Locally on the client the driver is installed.
On the Citrix server there is no driver installed.

Greets
G.
gertschi
 
Posts: 3
Joined: Sat Feb 20, 2010 11:02 pm

Re: TWAIN devices not enumerated using a Citrix session

Postby gertschi » Fri Mar 19, 2010 12:04 pm

Hi Loic!

Could you please help us????

We´ve purchased a full version of GdTwain and are lost now!

Tnx
Gerhard
gertschi
 
Posts: 3
Joined: Sat Feb 20, 2010 11:02 pm

Re: TWAIN devices not enumerated using a Citrix session

Postby Loïc » Mon Mar 22, 2010 10:06 am

Hi,

Sorry for the delay.

On the Citrix server there is no driver installed.


As I understood you run an application on the Citrix server which uses GdTwain.
Unfortunately, if there is no installed driver on the same computer where GdTwain is used you can't handle TWAIN devices.

With best regards,

Loïc
Loïc Carrère, support team.
www.orpalis.com
User avatar
Loïc
Site Admin
 
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Location: France


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