Recurring Google Imports Can Overwrite Microsoft Advertising Settings
A scheduled Google Ads import can continue changing Microsoft Advertising campaigns long after the original migration. Depending on the import options, a later run may update existing campaign statuses, bids, bid strategies, budgets, targeting, URLs, audiences, conversion goals, or tracking-related settings.
The operational risk is straightforward: a marketer makes a deliberate Microsoft-side change, then a later import reverses or replaces it. Treat recurring imports as an active deployment and synchronization process—not as a backup or harmless one-time migration.
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Decide what the import is allowed to change
Before creating or editing a recurring schedule, document which platform owns each setting. If Microsoft Advertising is where your team manages budgets, bids, campaign status, landing-page URLs, audiences, or conversion tracking, review the corresponding import options before enabling updates to existing items.
Microsoft Advertising provides controls for settings such as bids, bid strategies, campaign budgets, targeting, URLs, audiences, conversion goals, and UET-related tracking. The exact options available can vary by campaign type and account. Make the ownership decision explicit:
- Google-controlled settings: Allow the import to update items that should follow Google Ads.
- Microsoft-managed settings: Disable the corresponding update option when local adjustments must remain in place.
- Shared settings: Assign one owner and document which platform wins when the settings conflict.
Performance Max requires an additional review. Microsoft documents that Google Performance Max campaigns may import as Microsoft Advertising Performance Max campaigns or, in some cases, Search campaigns. Asset groups, audience signals, final URL expansion, listing groups, and bid strategies may map into Microsoft’s own structure, but the result should not be assumed to be a one-to-one copy.
Conversion goals are a critical dependency. If a Performance Max campaign requires a conversion goal and no suitable Microsoft Advertising goal exists during import, Microsoft says the bid strategy may be converted to Maximize Clicks. Imported online conversion goals also require a Microsoft UET tag to receive website conversion events. Review the goal, UET tag, attribution setting, and campaign association before judging performance.
What to do next
- Document the current Microsoft settings. Capture campaign status, budgets, bids, bid strategy, targeting, URLs, audiences, conversion goals, and tracking settings before changing the schedule.
- Audit every schedule. Review both account-level and manager-account-level imports. Overlapping schedules can make it difficult to identify which process changed a campaign. If another agency created the schedule, your users may not be able to edit or delete it.
- Run a limited import first. Select a small campaign set, disable sensitive update categories, and verify the result before expanding the scope or enabling daily, weekly, or monthly synchronization.
- Review Import schedule & history after every run. Check the settings that were in effect, the summary, successful and failed items, logs, and any downloadable error file.
- Compare the update count with Change History. Microsoft notes that an import’s update count can include existing items fetched from the source even when they did not actually change. Change History is the better check for actual Microsoft-side updates.
- Check campaign and conversion status. Review active, paused, deleted, renamed, and missing campaigns. For Performance Max, verify asset groups, audience signals, final URL expansion, bid strategy, conversion goals, and UET coverage.
If a Microsoft-side bid, budget, status, or strategy change is reversed, pause or edit the schedule before making another manual correction. Identify the responsible schedule and update option first. Microsoft states that Change History cannot undo imports from Google Ads or other platforms, so prevention and documented source-of-truth rules are safer than relying on a post-import reversal.
Sources
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