Saturday 10 September 2011

SBS 2003 Exchange Error: The mail proxy for this folder cannot be found. ID no: c1038a21

We have an error that we have not seen before on the source server for the migration we are running this weekend:


Exchange System Manager

The mail proxy for this folder can not be found. This may be due to replication delays. The mail enabled pages will not be shown.

ID no: c1038a21
Exchange System Manager

A Bing search turned up the following Microsoft KB:

There are two methods for correcting this particular problem. Now, since the error is happening on the default Archive and Contacts Public Folders we looked to see if we could run with Method 2 which is a lot _less_ complicated.

Method 2:

In some Exchange organizations, you can resolve this problem by using Exchange System Manager to mail-enable the folders again. You can use method 2 if the following conditions are true:

  • The Exchange organization contains only computers that run Exchange 2000 Server or later versions.
  • There is no longer an ADC in the Exchange organization.
A new directory object is created, and the new GUID is stamped in the PR_PF_PROXY property. If the old directory object still exists, you must delete it manually. If Exchange 5.5 Server computers still exist anywhere in the Exchange organization, do not mail-enable public folders by use Exchange System Manager.

The catch was that these Public Folders were already mail enabled though with no addresses assigned. So, we went through and ran the Mail Disable command on both:


It took a few minutes for the change to take. Once complete we ran through and ran the Mail Enable command on both. We were then able to open the Public Folder’s properties with no error.

Philip Elder
Microsoft Small Business Specialists
Co-Author: SBS 2008 Blueprint Book

*Our original iMac was stolen (previous blog post). We now have a new MacBook Pro courtesy of Vlad Mazek, owner of OWN.

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