Handheld Contact Knowledgebase Handheld Contact Knowledgebase
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New Handheld Contact Computer app
Aug 28, 2025
Version 7.0.10.0 - Released August 28, 2025 - Updated OAuth dll because the endpoint that was being used for the refresh token was discontinued by Google

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What is the ‘Auto-Sync-HHC’ group in ACT! and how does it work?
This group is created when Handheld Contact gets installed. This group is created and maintained by Handheld Contact. DO NOT make any changes or modifications to this group as they will be removed...
Jul 11, 2025
The Distributed Transaction Co-ordinator is not installed on my PC. What do I do?
Click Start>Run type "services.msc" hit Ok. In the services window look for Distributed Transaction Coordinator. If it is not listed then do the following (if it is listed then do not continue best...
Jul 10, 2025
I get this message: Communication with sync engine failed! The syncing process has been aborted! HHC Service is not running or doesn't have the required permissions.
In order to correct this error message, you need to do the following procedure. We recommend the below 8 steps first. This is done through the Windows operating system: Click on the Start Menu. ...
Aug 29, 2025
I have two databases that I want to sync with. Can I have both on the same device?
Unfortunately, this is not possible. Handheld Contact will only sync one device to one Handheld Contact username and one ACT! database. If you were to set up a second database, and try to sync it to...
Jul 10, 2025
"Unauthorized" message displayed when attempting to sync
This message means that you have entered the wrong Handheld Contact username and/or password. To correct this: Open the Handheld Contact computer application (usually found on the same PC,...
Jul 11, 2025


Recent Articles
Resetting your Handheld Contact account password causes computer application to display 'addUserInfoSyncDisplay Table: Column 'ID' is constrained to be unique. Value 'ACCOUNT NAME' is already present'
To resolve this issue: Access the PC, server, or laptop where the Handheld Contact computer application is installed. Open the Handheld Contact computer application. Create a backup of the...
Sep 18, 2025
Latest Handheld Contact releases
Using the latest version of any Handheld Contact app is important so you can take advantage of the latest features and security improvements. Your mobile device should automatically alert you when...
Sep 3, 2025
I get this message: Communication with sync engine failed! The syncing process has been aborted! HHC Service is not running or doesn't have the required permissions.
In order to correct this error message, you need to do the following procedure. We recommend the below 8 steps first. This is done through the Windows operating system: Click on the Start Menu. ...
Aug 29, 2025
How do I get caller ID to work on my iPhone?
In order to have the voice dialing and other native functions on the iPhone to work, you need to have the contacts part of the native iPhone Contacts App. This can be done by 'Exporting' the...
Aug 19, 2025
I have upgraded to Act! v24, how do I get Handheld Contact Classic to work with this?
This article will be for all customers who have recently upgraded their Act! database to v24. Since Act! v24 is 64-bit, there is a matching version of Handheld Contact that is required. Handheld...
Aug 18, 2025