ASSA ABLOY IP Lockset Best Practices


Systems incorporating the ASSA ABLOY IP locksets should be configured as outlined within this article to ensure optimized system performance.

Access It! Universal Licensing
The following licensing option must be enabled within the Access It! Universal dongle and is a system wide option and per integrated reader count license.

  • IP Locksets Enabled - Yes
  • Integrated Reader Count - 1/x

Ensure ASSA ABLOY Drivers Are Properly Licensed

By default the ASSA ABLOY license will allow a limited number of locks to work for only up to (14) days. The ASSA ABLOY License needs to be updated to allow for additional locks, and allow for a permanent license. If the license expires the Access It! Universal application will not allow for any additional cards to be created. This process can take several hours to complete. It is recommended this be completed on the day of install to avoid any unnecessary downtime.

  1. Browse to .\Program Files(x86)\AHG420 Driver\bin or .\Program Files\AHG420 Driver\bin
  2. Open the LicenseEditor.exe
  3. Make note of the Uniqueness code in lower left corner
  4. Close the LicenseEditor.exe
  5. Send the following information in an E-mail to
    • Access It! Universal dongle number
    • The ASSA ABLOY uniqueness code
    • The Number of IP locksets being used
    • If the Installation is a Try-Me program or a permanent installation
    • The name of the End-User
    • If the Locks were not purchased through RS2 Technologies, the serial number of each lock should be provided.
    • A valid E-mail address to send the updated codes to
    • Ensure lock can contact host in LCT / NCT

Ensure Account Used For (3) ASSA Services Has A Password That Never Expires
When the ASSA ABLOY drivers are installed, there is a prompt to enter a Windows name and password which will run the services. If the password for these account is changed, the Access It! Universal service will fail to start and raise the warning 'Cannot start AIUniSvc service on computer'.
This account should be local administrator.

Contact Host On Access Denied

With the exception of PoE locksets, the ASSA ABLOY locksets are mostly in the offline state. By configuring the lockset to contact the host on an Access Denied event, it will ensure the event is reported in a timely fashion, and then processes any pending updates for the lock. To configure the lock to contact host on Access Denied, the following steps should be applied:

  1. Within Access It! Universal, navigate to the Hardware Tree (Go | Main | Hardware)
  2. Select IP Locksets
  3. Edit the first IP lockset in the list
  4. Select the Behavior tab
  5. Select (check) all the options relating to Contact Host on Access Denied
  6. Click Save
  7. Repeat steps 3-6 for each additional lockset
    Steps 4-6 can be taken when adding in a new IP lockset as well
  8. Upon the next communication cycle, the IP lockset will download this update

Stagger Lockset Communication Schedules

When installing numerous WiFi ASSA ABLOY Locksets, it is important to stagger how many lockets communicate at once. If a wireless access point (WAP) is overloaded with too much traffic, there is a possibility for a lock to miss a communication schedule and not properly download pending updates. RS2 recommends having no more than 125 locks communicating at the same time. Contact schedules can be created through the following steps:

  1. Within Access It! Universal, navigate to the Hardware Tree (Go | Main | Hardware)
  2. Select IP Locksets
  3. Edit the first IP lockset in the list
  4. Within the Information tab, select the Edit button next to Contact Schedule
  5. Select New
  6. It is recommended a schedule be created using the Schedule type Day of the Week, or Day of the Month
  7. When configuring the Contact Schedule, it is recommended the Awake Time be configured for 30 seconds

Creating Users Within The Lock Configuration Utility

When a temporary or comm user is created through the Lock Configuration Utility (LCT), the user is assigned a specific user number within the lock. When the lockset communicates to the software, the user numbers are overridden with credentials configured within the software. If the amount of users programmed within the software is less than the temporary users number, the temporary card will not be removed upon a comm session to the server. Temporary user numbers are stored as outlined below:
A Lockset NVRAM reset performed from the lock or through the LCT will purge all temporary users.

  • Temporary Keypad User = User Number 6
  • Temporary Magstripe User = User Number 8
  • Temporary Proximity Card User = User Number 10
  • Temporary CSN Proximity Card User = User Number 18
  • Temporary Keypad Comm User = User Number 12
  • Temporary Magstripe Comm User = User Number 14
  • Temporary Proximity Card Comm User = User Number 16
  • Temporary CSN Proximity Card Comm User = User Number 20

Contacting ASSA ABLOY Support

Issues regarding physical lockset problems, or issues regarding the Lock Configuration Tool (LCT) and Network Configuration Tool (NCT) should be directed towards ASSA ABLOY. ASSA ABLOY's support team can be contacted at 1-800-810-WIRE(9473).

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  • 04-Jun-2018