Data import error codes for Exchange Online

You might encounter the following error codes and messages when using the data import tool to copy data from Exchange Online to Google Workspace. Error codes are included in the user and import reports.

Exchange Online errors

Data import error code Data import error title Description & troubleshooting steps

S001

S002

SourceAuthDenied

PermissionNotFound

The authentication failed or the user was denied access to specific resources.

Disconnect and reconnect your Exchange Online account and then run a delta import.

Note: Disconnecting Exchange Online doesn't affect completed imports.

S003 SourcePrincipalDisabled

The service principal is disabled because the Exchange Online subscription lapsed or an administrator disabled the application.

Check your Exchange Online subscription status and then run a delta import.

S004 ServiceUnavailable

Exchange Online is unavailable.

Run a delta import.

S005 ServiceInactive Check your Exchange Online licenses and ensure that the service is active and not soft-deleted or hosted on-premise.
S006 MailboxQuotaExceeded

Users updated their Exchange Online mailboxes during a data import or exceeded the mailbox quota. To avoid concurrency, users shouldn't use their mailboxes during an import.

Run a delta import.

S007 InvalidArgument

Exchange Online doesn't include a user you want to import.

Correct or delete the user's email address in your list of Exchange Online users, and then run a delta import.

S008 MalformedRequest

The request was malformed during the Exchange Online crawl.

Run a delta import.

S009 MoveInProgress

A move is in progress for the Exchange Online mailbox.

When the move is complete, run a delta import.

S010 ResourceNotFound

The Exchange Online mailbox doesn't have the requested item.

Restore the item in Exchange Online and then run a delta import.

Workspace errors

Data import error code Data import error title Description & troubleshooting steps
T001 ConnectionFailure

Your Workspace connection is unavailable due to invalid or missing account information, or the recipient server refused the connection request.

Disconnect and reconnect your account.

T002 OAuthException

Either the OAuth scopes don't have domain-wide delegation, or the user revoked access.

In the Google Admin console, disconnect and reconnect your connection.

T003 DWDPropagationPending Allow up to 24 hours for the domain-wide delegation process to finish, and then run a delta import.
T004 MailServiceDisabled Turn on Gmail for your users. If the error continues, wait a few hours and then rerun the data import.
T005 MemoryLimitExceeded

Workspace failed to process the import, either because the import data exceeded the memory limit, or storage is unavailable.

This is a temporary error. Wait a few hours and then run a delta import.

T006 PolicyRejections

Workspace rejected the sender or recipient policy.

T007 UserNotFound

The Exchange Online or Workspace user can't be found or doesn't exist.

Check the user status and re-create the user if necessary.

T008 LimitReached A data import is blocked if the number of email messages, calendar events, and contacts exceeds their limits. Data that exceeds these limits isn't imported.
T009 TargetDataWriteFailure

Either an error occurred while writing the contact, or the data import tool couldn't retrieve resources to associate a contact ID with a label.

Run a delta import.

T010 ObjectSizeLimitFailure The contact information, resolution, or email message is too large to import. Email messages must be less than 25 MB.
T011 TargetUserFetchFailure This is a temporary error. Wait a few hours and then run a delta import.
T012 QuotaExceeded

The data import exceeded the storage quota or failed the quota verification.

Buy additional Workspace storage or update your user storage limits. Then, run a delta import.

T013 UnableToFetchResources

Workspace can't get calendar resources.

This is a temporary error. Wait a few hours and then run a delta import.

T014 DuplicateEvent Verify that the events are duplicates. If there are duplicates, only one of the items imports.
T015 InvalidEmailForOrganizerOrAtendee

A calendar event includes an unsupported email address or contact list as an attendee or organizer.

Check the error message for the invalid email addresses, and then update the event's contact list or distribution group.

T016 CalendarEventModification

If a calendar event is modified in Exchange Online after it imports to Workspace, it can't be imported again.

Delete the event in Calendar and rerun the data import.

T017 UnsupportedRecurrencePattern

Calendar doesn't support the resource pattern for a recurring calendar event.

Simplify the recurrence pattern or re-create the event in Calendar.

T018 EventNonOrganizerException Each user in a calendar event must be either an attendee or organizer, or the event won't import.
T019 MessageRejected Either Workspace rejected an email message for the recipient domain, or GRBL rejected the email message to prevent spam or abusive activity.
T020 RequiredHeaderMissing

A Microsoft Outlook email message has more than one email address in the From field.

Ensure that each email that you're importing has only one address in the From field and then run a delta import.

T021 InvalidLabelFound

A label is invalid.

Fix the label error and then run a delta import.

T022 MailAttachmentFailures The data import included prohibited email attachments.
T023 BounceMessageException The data import tool doesn't support bounce messages.
T024 MessageDeferredFromStartup

The state of a message didn't match the import's configuration.

Don't update email statuses during the data import.

T025 AutoResponseNotAccepted The data import tool doesn't support automated response email messages.
T026 VirusAttachmentFailures Gmail blocks messages that might spread viruses, such as messages with executable files or certain links.
T027 MissingRelayDomain Select an email relay domain and then run a delta import.
T028 ClassifiedAsSpam The data import tool doesn't permit spam email messages.
T029 TargetLabelNotFound An Exchange Online email label already exists in Workspace. Remove the label in Workspace and then run a delta import.
T030 CalendarServiceDisabled Turn on calendars for your users. If the error continues, wait a few hours and then rerun the data import.
T031 CalendarQuotaExceeded

The data import exceeded the quota or failed the quota check.

This is a temporary error. Wait a few hours and the run a delta import.

T032 AttendeesNotMigrated In Exchange Online, organize individual attendees in groups, and then add the groups as attendees. This makes it easier to import events with a large number of participants.
T033 ContactAssociationFailure Review the detailed error message, update the contacts that failed to link with a label or contact group, and then run a delta import.
T034 UnmappedExternalTargetError

There are unmapped errors from Gmail.

If the error continues, contact Google Workspace support.

T035 TransientTargetErrot This is a temporary error. Run a delta import.
T036 PermanentTargetError This is a data operations error from Gmail. If the error continues, contact Google Workspace support.
T037 MalformedTargetRequest

Due to data operations error from Gmail, the Gmail request message payload is malformed.

If the error continues, contact Google Workspace support.

T038 InvalidExternalArgument

An external argument was invalid, likely due to invalid or missing labels or unexpected headers.

Update the item and then run a delta import. If the error continues, contact Google Workspace support.

T039 GmailPermissionDenied

Permission was denied by Gmail for one of the following reasons:

  • Denied domain-wide delegation
  • Incorrect privilege levels
  • OAuth scope validation
  • User account status
  • Domain-level policies
  • Internal access controls
  • Invalid or expired credentials

Provide the necessary permission and then run a delta import.

T040 DriveServiceDisabled

The Google Drive service is turned off.

Turn on Drive for your users. If the error continues, wait a few hours, and then rerun the data import.

Configuration & content format errors

Data import error code Data import error title Description & troubleshooting steps
C001 TargetUserNotFound

Workspace couldn't find a user in the list of Exchange Online users to import.

  1. Update any incorrect or missing email addresses in your list of Exchange Online users to import, and then rerun the data import.
  2. Export the user report and make sure every Source Exchange Email and Target GUser is correct.
  3. In import settings, check the If the users aren't in the list you uploaded, copy their address and box.
C002 TargetUserExternal

One of your Target GUsers isn't a Workspace email address.

Remove the list of Exchange Online users, correct the user mapping, and upload the corrected list. For details, go to Select users to import.

C003 WorkspaceAdminConnectionFailure Use a different admin account to create a new connection, and then rerun the data import.

Internal errors

Data import error code Data import error title Description & troubleshooting steps

P001

P002

InternalPlatformError

DNSResolutionFailure

Run a delta import. If the error continues, contact Google Workspace support.
P003 PolicyServiceFailure

The data import failed at GaiaPolicyLookup or RpcPolicyCheck.

Run a delta import. If the error continues, contact Google Workspace support.

P004 UnknownStorageError Run a delta import. If the error continues, contact Google Workspace support.
P005 CapacityExceeded

The data import tool is overloaded, or there are too many requests or queue positions.

Run a delta import. If the error continues, contact Google Workspace support.

P006 UserLockTimeout

The data import exceeded the deadline while trying to acquire the user lock.

Run a delta import. If the error continues, contact Google Workspace support.

P008 TransientInternalError Run a delta import.
P009 FailedToCrawl This is a temporary error. Wait a few hours and then run a delta import.


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