Frequently asked questions for Tally connector

About the product

Q: Is this a demo/testing/sandbox version or the production version?
A: This is the production version for einvoicing
Q: Will this work if I have Tally Prime?
A: Current version works for Tally ERP9 as well as Tally Prime. Tally Prime has to be installed manually, please contact support for the same.
Q: Do I have to install this in client or server?
A: Install the application and activate the company is both the server and client systems
Q: Will this work if I have other custom TCPs?
A: Although the ClearTax application will work along with other TCPs, some TCPs might conflict and cause the software to not work on your system. You can try disabling other TCPs and test if ClearTax Tally Connector starts working. Please contact us so we can improve support in this scenario.

During installation

Q: I am facing issues of ODBC port not found?
A: Make sure ODBC port is correct and set up correctly. Click this link for more details
Q: I am getting this error “Company not registered”
A: Make sure the GSTIN has been added in ClearTax Einvoicing portal, and the same GSTIN has been updated in Tally as well.
Q: I am getting an Activation Failed error.
A: Please contact us so we can help you install Tally Connector.
Q: I already have the ClearTax TCP set up. Do I still need to install the new application?
A: Yes, the latest application always contains stability & bug fixes, as well as points to the production environment. If you have installed the TCP prior to 31st December, it is possible you might have an older version of TCP which will work on sandbox only. Download the latest version from

IRN & eWaybill generation

Q: I am getting pincode/quantity errors every time I try to generate IRN
A: Make sure all details are updated in company info, party master as well as stock master. This is a one time activity required to make your data einvoicing compliant.
Q: When I try to generate IRN, I get an “unauthorised” error
A: Make sure your TCP module is configured for production environment and auth token is correct. Download the setup and run the installer once again to fix the issue. You can also verify by going to Gateway of Tally > Features (F11) > Add On Features > Enable einvoicing module (Yes) and check whether API links begin with “https://api-einv.cleartax” and not “https://einvoicing.internal.cleartax
You can also update Auth token and owner ID here by logging in to > Settings (top right dropdown) > Integration Settings
Org unit list has list of owner IDs, Auth token tab can be used to generate a new authorization token. Paste these details in Tally and save them.
Q: My voucher is not showing up for IRN generation
A: Gateway of Tally > Accounts Info > Voucher Types > Alter > (Select voucher) > Use for einvoice > Yes
If this does not work, make sure correct dates are selected in Einvoice register.
Q: What do the color codes mean?
A: Black - No action taken
Blue - Only IRN generated
Green - IRN+eWaybill generated
Red - IRN generation failed due to some error in data
Q: How can I generate eWaybill along with IRN
A: Inside the voucher > Generate GST/eWayBill > Yes > Fill in details and Save > Generate IRN
Q: How can I autocalculate distance in eWaybill
A: Set distance to 0 so that ClearTax can calculate distance between pincodes automatically


Q: QR code is not getting generated
A: Ensure that Tally connector has been installed on the same physical system where the Tally instance is running. It is possible that the connector is installed on admin machine, but QR code is not generated on the client system - which can be resolved using this issue.
If this does not fix the issue, try checking whether a file called QRimg.jpg is being generated. If it is being generated, changing printing QR code position will help fix this. If it not QRimg.jpg is not present, reinstall the Tally connector or contact support.
Q: How can I change printing QR code position
A: Gateway of Tally > Accounts Info > Voucher Types > Alter > (Select voucher) > QR code position > Top/Center
Q: Can I use a custom print format?
A: Tally connector uses the standard print format. If you want more custom print formats, you can use the formats available from
Q: Can I modify the QR code for my B2C invoices?
A: B2C invoices can have UPI ID set up. This can be changed from Gateway of Tally > Features (F11) > Add On Features > Enable einvoicing module (Yes) > UPI ID