User/Password (Credentials) prompt over and over again

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  Hey Everyone,

  When I try to access my network shares, very frequently I will get a credentials prompt.  I type in my username, password, and tell it to save it, but I just get the prompt again later.  Some notes:

  1. My local username/password are the same as on the server.  I am *NOT* confusing the username and the display name.  The *LOGIN* username is the same locally and on the server.
  2. Restarting the Launchpad frequently fixes the issue without having to type in any credentials.
  3. If I add the credentials to the Credential Manager, they don't persist.  Something is removing them.
  4. There is an entry in the Credential Manager for my server with the user "MYSERVER\HomeGroupUser$".  If I delete this credential, I am able to connect to my network shares without any prompts.
  5. This home group credential is automatically re-added by something, so the problem remains for me.

  I've created an executable that calls the CredDelete Win32 API to delete the entry from the Credential Manager when I unlock my machine and at 5 minute intervals (as a scheduled task).  I'm hoping this stop-gap measure fixes the issue for me but I'd like to fix the underlying issue.  None of the existing threads I can find on this issue seem to have the same set of problems with this home group user.

  Any ideas?
  

  Thanks,
  alan

  Sunday, May 20, 2012 6:05 PM