The Application Virtualization Client could not update publishing information from the server ServerName.
No connection could be made because the target machine actively refused it.
Error code: xxxxxxx-xxxxxx2A-0000274D
This issue can occur if the App-V client cannot communicate with the Publishing Server.
For all the latest information including how to troubleshoot and resolve this issue see the following Knowledge Base article:
KB2266481 - Using the Refresh Server option to refresh a Publishing Server from the Microsoft Application Virtualization Client MMC snap-in results in error code 2A-0000274D
J.C. Hornbeck | System Center Knowledge Engineer