Knowledgebase Support HMRC Useful links
Knowledgebase home
Tax Return Production
Accounts Production
Client Hub
Practice Management
VAT Filer
CloudConnect
Anti-Money Laundering
Support home
Hot Topics
SimpleStep Guides
Release Notes
Technical
Known Issues

HMRC Status
Useful Links
MTD for Agents MTD for Businesses What is MTD
Preparation
Agent Services Account
MTD for VAT
MTD for Income Tax
MTD for VAT
Digital Record Keeping
Quarterly Updates
Step-by-step Guide
HMRC's MTD Timeline
TaxCalc's MTD Journey
For Accountancy Practices and Tax Advisors For Individuals, Businesses, Trusts, and Partnerships
PRACTICE MANAGEMENT
Client Hub
Companies House Integration
GDPR Centre  
NEW

eSign Centre  
NEW

AML Identity Checking
AML Centre  
NEW



COMPANY SECRETARIAL
Company Incorporator
Companies House Forms
FINANCIAL REPORTING
Accounts Production


TAXATION AND HMRC
Tax Return Production
VAT Filer


SERVICES
CloudConnect
TAX SOFTWARE
Individual
Limited Company
Partnership
Trust
VAT SOFTWARE
VAT Filer for Business  
NEW
Firewalls and Proxy Servers
How do I configure my firewall software?
To allow TaxCalc to access the internet you may have to configure your firewall software. Follow the steps for your particular firewall. AVG Internet Security Delete the application rule for TaxCalc, then grant access the next time you're asked: Close TaxCalc. Open AVG Internet Security. ...
rating 09 Jan, 2017 Views: 9038
Connection error when submitting a tax return to HMRC
If you receive a connection error message when attempting to submit an online tax return, this means that your submission isn't getting through to the Gateway quickly enough and the Gateway has closed the internet connection to prevent it becoming blocked. The likely causes of this error are...
rating 02 May, 2018 Views: 7114
How do I configure the firewall for the network version of TaxCalc?
The following ports must be open to allow access to the discovery service and the database, and should suffice for most installations. Server Side Incoming Rule discoveryservice.exe Port 3838 (UDP) postgres.exe Port 5432 / 5433 (TCP) Outgoing Rule discoveryservice.exe Port 6178 (TCP) ...
rating 18 Mar, 2016 Views: 3668
How do I add Proxy Server settings to TaxCalc?
Some networks require Proxy authentication to allow external access (web), You can now configure these proxy settings within TaxCalc. At the Hub screen click Settings > Proxy Server Settings Access the proxy settings The Proxy Server Settings Window opens. You need to fill the...
rating 11 Sep, 2018 Views: 3507
Excluding sites from Proxy Server checking
On some systems user may need to add a website as an exception to their Proxy server. System Admins can exclude the following sites from checking by proxy servers. The main sites users would likely to need to exclude from checking are as follows. *.secure.gateway.gov.uk ...
rating 11 Sep, 2018 Views: 1679
I downloaded the TaxCalc installer but I cannot find it (deleted by Norton)
TaxCalc have observed that in some instances Norton 360 removes the installer file from the downloads folder as it completes the download. This is due to a feature of Norton 360 (and Norton Internet Security) which decides which files are safe based upon what other people are downloading. It is...
rating 09 Jan, 2017 Views: 1330
When I try to download TaxCalc I get "page cannot be displayed" or "SSL received a record that exceeded the maximum permissible length"
Some users have reported problems trying to download TaxCalc, with the following errors. Users with Internet Explorer may get: This page can't be displayed. Make sure the web address https://www.taxcalc.com is correct. Look for the page with your search engine. Refresh the page in a few...
rating 13 Jan, 2017 Views: 452
Inserting required firewall rules for the PostgreSQL version of TaxCalc on the server computer via the registry
Firewall rules normally need to be created manually in the Windows firewall, but they can be inserted through the use of a pre-configured registry file IMPORTANT: if you are not sure of the implications of editing the registry please refer to your IT Support team for more help. You must always...
rating 15 Feb, 2018 Views: 285
Avast update causes "Cannot connect to database" error
A change in the Avast program in July 2017 has the possibility to cause a problem when TaxCalc tries to start. In this instance it will give a 'cannot connect to database' error. To Test Right-click on the Avast icon in the system tray (if you cannot see it, click on the 'up' arrow next to the...
rating 27 Jul, 2017 Views: 219
SSL error when opening Accounts Production client when using a proxy server
Some customers have reported the following error while trying to use TaxCalc Accounts Production. One or more SSL errors has occurred. The signature of the certificate is invalid If this error occures, users need to make sure that their proxy server includes the exceptions as listed in the...
rating 25 Sep, 2018 Views: 76