2 thoughts on “User Profile Synchronization Service will not Start”

  1. Hi Peter,

    This is exactly what I’m experiencing now. This is such a strange issue and with no Logs it’s really really hard to troubleshoot.

    I have tried to log on with Sync Gui, and I found that it was reporting an error with the Sync Database login denied. I double and tripled check permissions and it all setup as Spence’s instructions in the article.

    At this point I have tried the PSConfig, IIS reset, recreating the UPS service, and still nothing. This is the most frustrating issue!

    I also have this working on another environment as I am building a QA environment. So the Service Pack and CU matches of an existing Prod environment.

    so frustrating! thanks for the post at least it makes me feel like I’m not alone by reading your post.

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