HTTP Error 500.0 - Internal Server Error - Module "OCSAuthHelperModule" could not be found
Has anyone seen this error with Skype for Business. I have uninstalled IIS and Web components and reinstalled them with no success. I get this error when I am in IIS and selecting any of the following ABS or UCWA. From the client side I get "cannot sync address book" which is what led me to try and see if I could get to it from IIS. Any help would be greatly appreciated. Thank you
July 15th, 2015 4:37pm

Do you see any event id for LS web components in the Lync events in Eventviewer?

Is this Standard edition server or enterprise server for Skype?

After running step 2 from the deployment wizard try running Enable-CsComputer

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July 22nd, 2015 1:25pm

This is a standard edition server. I will try what you had suggested and I am still getting the same error

July 22nd, 2015 2:37pm

The fastest approach would be to install a second server for SFB

Move the CMS to the other server

Move the Users to the new server

And remove this affected server 

if you don't want to do that please help Do you see any event id for LS web components in the Lync events in Eventviewer?

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August 5th, 2015 6:09am

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