You can disable OAuth 2.0 authentication from the client side using the following registry key: 

NOTE:

Use this option when you cannot disable the OAuth 2.0 authentication at the server side.

  • Location: 
    HKEY_CURRENT_USER\Software\iManage\Work\10.0\Client\login
    OR
    HKEY_LOCAL_MACHINE\Software\iManage\Work\10.0\Client\login
    If the  AllowOAuth2 key is specified under both HKEY_CURRENT_USER and HKEY_LOCAL_MACHINE, then settings in HKEY_CURRENT_USER are applied. 

  • Name: AllowOAuth2

  • Type: REG_DWORD

  • Value:

    • 0: Disabled (default)

    • 1: Enabled