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Why does HotDoc show a Best Practice connection error? (No PMS)

Last updated 14 May 2026 05:14   ∙   ~ minute read

Question

Why does HotDoc show a Best Practice connection error? (No PMS)

Solution

If HotDoc can't connect to Best Practice, you may see an ACTION NEEDED banner in your Sidebar. 

This guide covers the two most common causes and how to resolve them. Follow the steps below based on the message you see in the Sidebar.

   In this article

  • What these errors mean
  • Error: HotDoc can't connect to Best Practice
  • Error: HotDoc can't access Best Practice via Halo Connect
  • When to contact HotDoc Support
  • FAQs
    • Can I still use HotDoc while the Sidebar shows No PMS?
    • What if I see errors in the Sidebar after reconnecting?
    • Will bookings made during this time be lost?

What these errors mean

When HotDoc cannot connect to Best Practice, it may be unable to read information from your database or sync changes correctly.

While this issue is active:

  • Online bookings may not confirm immediately
  • Appointment reminders may be affected if the connection is down for an extended period
  • New recalls may not sync through
If your connection is down for a period of time, HotDoc Support may temporarily disable your online bookings. Once a connection is restored, online bookings will be automatically re-enabled shortly after.
ⓘ Important

 

Error: HotDoc can't connect to Best Practice (BPP-53)
 

image (61).png

What this means

The HotDoc (via Halo) third-party integration has been disabled in Best Practice. HotDoc won't be able to read information from your database or make changes until this is resolved.
 

What to do

  1. In Best Practice, go to  Setup > Configuration > Database > Setup third-party integrations.
Monosnap RJ BP clinic 2026-05-08 16-17-52.png
Monosnap RJ BP clinic 2026-05-08 16-16-44.png
  1. Check if HotDoc (via Halo connect) is ticked

    Monosnap Illustration of White Blood Cell …ute Character Illustration - Logo 2026-05-11 16-15-11.png
     
  2. If the box is not ticked, tick it and click Save.

    If the box is already ticked, untick it and click Save, then tick it again and click Save once more.
    Monosnap BP connection issues draft 2026-05-11 16-22-33.png
     
  3. Refresh your Sidebar by clicking the HotDoc logo to confirm the connection has been restored.

    Monosnap 360020516932 (778×456) 2026-05-13 09-41-49.png

 

Error: HotDoc can't access Best Practice via Halo (HD-Timeout)

What this means

Halo Link isn't responding, so HotDoc can't connect to your Best Practice database. This usually means the Halo Link service has stopped running on your clinic's server, or the server itself is offline.
 

image (62).png

What to do

  1. You'll need to restart the Halo Link service on your server. For steps on how to do this, please refer to Halo Connect's guide to restarting services 

    Restarting the Halo Link service may affect other services that also depend on it. If you're unsure whether it's safe to proceed, check with your IT provider before restarting. 
    ⓘ Important 
  2. After restarting the service, refresh your Sidebar by clicking the HotDoc logo to confirm the connection has been restored. 

    Monosnap 360020516932 (778×456) 2026-05-13 09-41-49.png

If your clinic has updated its server, you must notify Halo so they can update your connection settings. Failing to do this is a common cause of ongoing connection issues.

Please contact Halo Support to let them know about any server changes.

ⓘ Important

 

When to contact HotDoc Support

If you've followed the steps above and the error is still showing, please contact HotDoc Support. 

To help our team investigate quickly, please include:

  • A screenshot of the error
  • When the issue started
  • Whether it affects all computers or only some devices
  • Whether your IT provider has made any recent changes

 

FAQs

Can I still use HotDoc while the Sidebar shows No PMS?

      +     

Some HotDoc functions may still appear available, but HotDoc may not be able to read information from your practice management system or sync updates correctly while the connection is down.

 

What if I see errors in the Sidebar after reconnecting?

      +     

This can happen when bookings made while the connection was down don’t match your appointment book, which may result in double bookings.

For more information on how to manage this, please see: Time already taken in PMS error

 

Will bookings made during this time be lost?

      +     

Not necessarily, but online bookings may not confirm immediately while the connection is unavailable. If the connection has been down for some time, it is a good idea to check whether any appointments were made during the outage.

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