Admin & Configuration Questions

1776 topics in this forum

1. I need to change an invoice but get this: This is an Unpaid Invoice. You cannot modify an Invoice that is Unpaid.

   By Web Host Pro, October 15   

   • whmcs
   • billing
   • (and 1 more)

     Tagged with:

     • whmcs
     • billing
     • invoice
   • 12 replies
   • 998 views
   • 
   • Waqas Ahmed Waseer
   • Yesterday at 02:37 PM

2. WHMCS Overage Billing: Do Configurable Options Add to or Override Disk and Bandwidth Limits?

   By brokendrum, October 14
   • 2 replies
   • 680 views
   • 
   • carlpeeter32
   • October 24

3. New ticket notification to admins, customize?

   By bear, September 10
   • 7 replies
   • 555 views
   • 
   • pRieStaKos
   • October 14

4. 550,SMTP server error

   By Sufiyan Shaikh, October 22, 2025
   • 7 replies
   • 2.2k views
   • 
   • bear
   • September 14

5. Credits not showing on invoice email that was paid by it

   By bear, August 8
   • 4 replies
   • 1.3k views
   • 
   • bear
   • August 8

6. Any news on CloudFlare Turnstile baked in support?

   By Web Host Pro, August 2
   • 1 reply
   • 499 views
   • 
   • arz host
   • August 5

7. Configuration Help

   By CeJay Websites, May 8
   • 0 replies
   • 2.4k views
   • 
   • CeJay Websites
   • May 8

8. please help for send to email device

   By Fatkhur Rohim, April 7
   • 2 replies
   • 1.1k views
   • 
   • WHMCS SamP
   • May 3

9. Removing Search for a domain with AI-powered suggestions

   By Ulysses, March 21
   • 1 reply
   • 1.9k views
   • 
   • WHMCS Ricardo
   • April 26

10. Order Days Grace Period / Net 30 Billing

    By WisTex, August 4, 2021   

    • Net 30
    • Order Days Grace
    • (and 1 more)

      Tagged with:

      • Net 30
      • Order Days Grace
      • General Settings
    • 2 replies
    • 3.1k views
    • 
    • Manuel Y2K
    • April 21

11. Spotlight (ed) Domains ... Increase the number of,

    By webgonet, May 9, 2020
    • 7 replies
    • 2.6k views
    • 
    • Humanbeing
    • April 17

12. How to remove Categories, Actions, Choose currency from cart?

    By Dan Popusoi, April 13, 2020
    • 5 replies
    • 2.4k views
    • 
    • Humanbeing
    • April 6

13. Display size issue

    By Daksh_B, March 30
    • 0 replies
    • 662 views
    • 
    • Daksh_B
    • March 30

14. WHMCS – Prevent Prorata Billing on Configurable Option Upgrade (Allow Only for Product Upgrade)

    By SanketT, March 3
    • 0 replies
    • 759 views
    • 
    • SanketT
    • March 3

15. MySQL 8.4

    By SeanP, February 10, 2025
    • 5 replies
    • 2.7k views
    • 
    • gei
    • February 16

16. Domains must begin with a letter or number

    By Toto, August 28, 2025
    • 3 replies
    • 1.7k views
    • 
    • austinwood
    • February 10

17. Get ticket IP via API ?

    By lulzkiller, January 15
    • 0 replies
    • 1.1k views
    • 
    • lulzkiller
    • January 15

18. SMTP Error

    By Leonel Araujo, December 23, 2025
    • 7 replies
    • 2k views
    • 
    • Leonel Araujo
    • December 29, 2025

19. Client password change api doesn't exist

    By Md Lamim Chowdhury, December 20, 2025
    • 4 replies
    • 1.3k views
    • 
    • bear
    • December 23, 2025

20. [Question](12-11-2025) How to track Visitors from our multiple website to our WHMCS and the product they buy

    By ManagedCloud-Hosting, November 12, 2025
    • 1 reply
    • 1.3k views
    • 
    • wtools
    • November 30, 2025

21. Force customers to upgrade a product instead of buying a new ?

    By lulzkiller, October 4, 2025
    • 4 replies
    • 1.6k views
    • 
    • lulzkiller
    • November 26, 2025

22. Adding new menu items

    By Steve Bradshaw, November 6, 2025
    • 2 replies
    • 1.6k views
    • 
    • wsa
    • November 7, 2025

23. Conditional Price for Quantity Type configurable option

    By Azhar Patel, May 28, 2025
    • 1 reply
    • 1.7k views
    • 
    • WHMCS JoshQ
    • November 4, 2025

24. Transactions screen columns?

    By ROQ, July 23, 2025
    • 1 reply
    • 1.6k views
    • 
    • WHMCS JoshQ
    • November 4, 2025

25. whmcs security.

    By Rehost24, August 19, 2025
    • 7 replies
    • 5.5k views
    • 
    • WHMCS JoshQ
    • November 4, 2025