In this guide recommended actions are described on how to troubleshoot and configure the system to solve this error

General Description

If you see "User with this extension already exists" is displayed error that displays when the User tries to configure Ring Central Telephony in the Creatio but the Ring Central Account is already connected with another Creatio extension proceed with the following steps.

...

...

To check your CurrentContactId from the left main menu select ‘Contacts’ (Fig. 1)
Fig. 1 Contacts selection

...

Duplication deletion flow

1. Click on the profile icon (1) in the left upper corner and then on ‘Your Profile’ (2) (Fig. 21)
   Fig. 2 Using the search field
   

   Image Removed

2. In the appeared result(s) click on the Name of your account. A contact card will be opened. In the address bar, you can find a CurrentContactId at the end of the line (Fig. 3) and copy it.
   Fig. 3 CurrentContactId location

   Image Removed

3. Click on the ‘Gear’ icon in the upper right corner (Fig.4)
   Fig. 4 Location of the ‘Gear’ icon

   Image Removed

4. Select ‘Open system designer’ (Fig. 5)
   Fig. 5 Open system designer option

   Image Removed

5. Scroll down the page and click on the 'SQL query console' (Fig. 6)
   Fig. 6 SQL query console
   

   Image Removed

6. In line 12 enter the following script delete from VvtSysAdminUnit where VvtContactId = '%CurrentContactId% Instead of the word CurrentContactId enter the CurrentContactId that you have copied in p. 3 and press the 'Execute’ button (Fig. 7)
   Fig. 7 Entering and executing the script
   

   Image Removed

7. After that go to the ‘Your profile’ → ‘Call Center parameter setup’ and 1 Entering ‘Your profile’ section

   Image Added

8. Click on the ‘Call Center parameters setup' (Fig. 2)
   Fig. 2 ‘Call Center parameters setup' location
   

   Image Added

9. Click on the ‘RESET RC SETTINGS’ (Fig. 3) And proceed with all required actions.
   Fig. 3 Reset RC settings initiation
   

   Image Added

10. After that press ‘GET RC SETTINGS’. Proceed with all steps of the authorization. If the settings were implemented successfully the following notification will be shown (Fig. 84)
    Fig. 8 4 Successull message
    

    

11. Add the settings provisioned by RingCentral to the User profile and press the ‘Save’ button. 

12. Log out of Creatio and log back in. Check that your CTI panel is active.

Cleaning of the duplicates. Long option

1. If the as a result of actions from p. 8 of the ‘Cleaning of the duplicates. Quick option’ 4, you see this error again the following (Fig. 95) proceed with the next steps to find the specific User connected by the Creatio extension with the Ring Central account
   Fig. 9 5 User with this username already exists error
   

   Image RemovedImage Added

2. From the left main menu select ‘Contacts’ (Fig. 106)
   Fig. 10 6 Contacts selection

...

9. Click on the ‘Folder’ (Fig.

...

9. 7 ). Select ‘Add’ (1) and name the new folder (2) (Fig.

...

9. 8)
   Fig.

...

9. 7 Folder button
   

   Image Modified

   
   Fig.

...

9. 8 New Folder creation

   Image Modified

10. Select the filter icon (Fig.

...

9. 9)
   Fig.

...

9. 9 Filter icon

   Image Modified

10. Select ‘Add condition’ (Fig.

...

9. 10).
   Fig.

...

9. 10 Adding filter conditions
   

   Image Modified

10. In the opened window press on the ‘Contact’ (1) and enter ‘Contact communication option (by column Contact)’ (2). In ‘Column’ field select ‘Quantity’ (3) and press ‘Select’ button (4) (Fig.

...

9. 11)

...

9. 
   Fig. 15 Creating filter structure pt. 1

   Image Modified

10. Press ‘+' icon (Fig.

...

9. 11).
   Fig. 16 Adding sub condition

   Image Modified

10. In the Colunm field enter ‘Number’ (1) and press 'Select’ (2) (Fig.

...

9. 12)
   Fig.

...

9. 12 Creating filter structure pt. 2
   

   Image Modified

10. In the ‘quantity’ field enter ‘0' (1) and press the confirmation button (2). In the ‘Number’ field enter the required extension (3) and press the confirmation button (4). To apply all conditions press 'Save’ button (5) (Fig.

...

9. 13)
   Fig.

...

9. 13 Applying all conditions
   

   Image Modified

10. In the Table, you can see the Contact that is using this extension. If the Contact that is shown in the Table is CORRECT, then use another Ring Central account for your current Creatio profile by using this guide RingCentral Configuration If you see that this is NOT the right Contact that should be connected to the Ring Central account proceed with further steps.

...

If you click on the Name of this contact a contact card will be opened. In the address bar, you can find a VvtContactid at the end of the line (Fig. 19)
Fig. 19 VvtContactid location

...

...

9. Login

10. Login into the system with the credentials of the User should not be connected to the required Ring Central account

11. Perform actions from p. 1 to p. 3

...

...

As a result, you will receive the VvtContactId (Fig. 21)
Fig. 21 Receiving VvtContactId via the SQL script request

...

...

To remove the connection between that user and the Ring Central account:
Step 1: Remove previous script from the 12 line and replace it with the following one delete from VvtSysAdminUnit where VvtContactid = 'VvtContactId'
Instead of VvtContactId write VvtContactId that you have received from p. 9 or p. 11 and press the 'Execute’ button.
Step 2: Remove previous script from the 12 line and replace it with the following one delete from ContactCommunication where VvtContactid = 'VvtContactId' Instead of VvtContactId write VvtContactId that you have received from p. 9 or p. 11 and press the 'Execute’ button.

...

10. After that Login into the system with the credentials of the User who should be connected to the required Ring Central account

11. Perform actions from p. 4 to p. 5