MSA does not mark mailboxes as completed, preventing the reversal of calendar synchronization after a user has been switched (150527)

The following error is observed in the Mail Synchronization Agent log (MSA), which is preventing the MSA from marking the user as being completed.

FolderFilter::ExcludeFoldersContent    Error    457    This key is already associated with an element of this collection

MailKernel::IsReadyToComplete    Informational    2085    Synchronization status: Errors found: 1, allowed: 0.

When using the SkipFoldersContentMask parameter as described in the following article, there is a known issue (TF 209053) that will be encountered as a result:

https://support.quest.com/migration-manager-for-exchange/kb/72064

Due to this error being encountered, this will result in the MSA not marking the user as "Completed" and subsequently results in the Calendar Synchronization Agent not reversing synchronization direction.

Further information along with other causes for one-way Calendar synchronization not switching direction can be found here, which also includes a log example of the MSA marking a user as "Complete"

https://support.quest.com/kb/109524

To resolve this issue, the "MaxErrors" parameter must be updated within the associated MSA Config.mdb file - please use the following steps:

1. Stop the MSA instance that is assigned to the collection using the Quest Migration Manager Console.
2. Locate the Config.mdb file in the MSA directory (note, this will vary depending on what instance number the MSA is) for example this would be the default path for MSA (1):
   C:\Windows\SysWOW64\Aelita Exchange Migration Wizard\Mail Source Agent\1\Config.mdb
3. Make a copy of the Config.mdb file for editing, which will be done using Microsoft Access.
4. Once the file has been opened, open the "Collection" table - and then locate the specific collection name under the "Name" column.
5. Update the "MaxErrors" column from 0, to 1 and then save and close the file.
6. Copy the newly edited Config.mdb file back into its original location and overwrite the existing file.
7. Start the MSA.