Q

Error: 'The HTTP service used by public folders is not available'

SearchExchange expert David Sengupta explains the cause behind the Exchange System Manager error: "The HTTP service used by public folders is not available, possible causes are that public stores are not mounted and the information store service is not running."

When I right click on a folder created on our Exchange public folder store, under the first storage group, I receive the following error:

"The HTTP service used by public folders is not available, possible causes are that public stores are not mounted...

and the information store service is not running."

I have checked both of these and this is not the case. The ID# is C1030af3. Microsoft has a list of possible causes, but they don't seem to be relevant to my problem. Can you help?

I suspect what you're seeing is MDAC-related, not related to Exchange Server. Have a look through Microsoft Knowledge Base article 301202 " How to check for MDAC version." Then, check the files on your computer to ensure they're all from a consistent version of MDAC, and not mismatched across different MDAC versions. I suspect that will fix your issues with Exchange System Manager.

Do you have comments on this Ask the Expert Q&A? Let us know.

Related information from SearchExchange.com:

  • Expert Advice: Exchange 2000 server has issues with IIS/public folders
  • Tip: Recreate a public folder store from scratch
  • Reference Center: Exchange Server information store tips and resources
  • Reference Center: Exchange System Manager (ESM) tips and resources
  • This was last published in August 2006

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