Forum Discussion
stima
Oct 29, 2025Copper Contributor
Skype For Business SE - persistent Chat
Hello, maybe someone of you run into the same error and is able to help me on this topic: we are using SkypeForBusiness only for internal communication last week we have upgraded SkypeForBusinn...
mhamer1020
Feb 03, 2026Copper Contributor
Were you able to find a resolution for this?
I find myself in the same spot. Fully patched, tried pulling the mgcserver.msi from a patched 2015 server in the environment to no avail. Running the PersistentChatUpdateInstaller.exe just gives me a blank window that doesn't list any products or updates the way the SkypeServerUpdateInstaller.exe will. Completely out of ideas at this point.