> ## Knowledge Base Index
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> Use this file to discover available pages before exploring further.
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# If a user changed his password how long will it take to be changed on the VMS?


|| **Problem**
How does cathexis vision update the username / passwords from the active directory i.e. if a user changed his password how long will it take to be changed on the VMS.


| **Solution**
The authentication is done by the domain controller, and not by the CathexisVision software.


**Browse through our useful tutorial videos and manual resources that can be found using the links below:**

||| https://cathexisvideo.com/resources/videos/

||| https://cathexisvideo.com/resources/brochures-manuals/