Is the Network Agent package pointing to the same server?
Test this walkthrough on 1 computer
1. Open MS-DOS Prompt in administrator mode.
2. Open the Network Agent directory.
2a. cd "%programfiles(x86)%\Kaspersky Lab\NetworkAgent" (Windows 64 bits)
2b. cd "%programfiles%\Kaspersky Lab\NetworkAgent" (Windows 32 bits)
3. Type klmover -address KSC IP
More information, please see this link.
Check if the issue is resolved