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 Getting SSO to Notes Client to work again

Tomas NielsenPost date: 2008-09-28 12:33

My machine has had a lot of different versions of the Notes client over time and somewhere during the different installs of the 8.5 beta the single sign on just stopped working.

When inspecting the event viewer in windows an entry states:

"Notes Single Logon will not function properly: No mapping between account names and security IDs was done."

I found nothing of value at but I did find a blog entry with a tip that works.

Just run regedit and modify:


Move "npnotes" in front of "WebClient".

Thanks to Glen over at for this helpful tip. 

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