Last updated: March 16, 2026

Microsoft Teams approval workflows help remote teams automate document reviews, expense submissions, time-off requests, and other business processes. When these workflows get stuck in pending status, it disrupts operations for distributed teams across time zones. This guide provides practical troubleshooting steps to get your Teams approval workflows moving again.

Table of Contents

Understanding Microsoft Teams Approval Workflows

Teams approval workflows integrate with Microsoft Power Automate to create smoothed out request-and-approval processes. These workflows typically involve a requestor submitting a form or document, which then routes to one or more approvers for review. The status can show as pending, approved, or rejected.

Remote workers rely on these workflows for essential operations: expense reimbursement, purchase approvals, contract reviews, and leave requests. When workflows hang in pending status, team productivity suffers significantly.

Common Causes of Approval Workflows Stuck in Pending

Several factors can cause Microsoft Teams approval workflows to remain stuck:

Step-by-Step Troubleshooting Process

Step 1: Verify Flow Status in Power Automate

Begin by checking the flow status directly in Power Automate:

  1. Navigate to flow.microsoft.com and sign in with your work account
  2. Select “My flows” from the left navigation pane
  3. Locate the specific approval flow associated with your stuck workflow
  4. Check the status column — look for “Failed,” “Suspended,” or error indicators

If the flow shows as suspended or has a failed status, click the flow name to access detailed error messages. Power Automate provides run history with specific failure reasons.

Step 2: Check Approver Permissions and Licensing

Distributed teams often have members with varying Microsoft 365 license levels. Approval workflows require specific licensing for approvers:

  1. Open the approval details within Teams by finding the original approval request message
  2. Click on the approval card to expand details
  3. Verify the assigned approver has Microsoft 365 Business Basic, Standard, or Premium licensing
  4. Confirm the approver has not been removed from the organization’s Azure Active Directory

If the approver lacks proper licensing, the workflow cannot process. Contact your IT administrator to upgrade their license or reassign the approval to another team member.

Step 3: Reauthenticate Flow Connections

Flow connections can become stale, especially after password resets or security token expirations:

  1. In Power Automate, navigate to the affected flow
  2. Click “Edit” to open the flow designer
  3. Look for warning icons next to connections (typically showing yellow triangles)
  4. Click each connection and select “Sign in” to refresh authentication
  5. Save the flow and run a test approval

This reauthentication process resolves the majority of stuck approval workflows caused by connection failures.

Step 4: Review and Fix Form Data Issues

Submission data problems frequently cause workflows to stall:

  1. Access the original submission through the Teams approval request
  2. Check each required field for complete information
  3. Verify data types match expectations (dates in proper format, numbers without text, etc.)
  4. Look for special characters that might cause parsing errors

If you identify data issues, the requestor must resubmit with corrected information.

Step 5: Examine SharePoint and Data Source Connections

Many approval workflows pull data from SharePoint lists or other data sources:

  1. Open the flow in Power Automate designer
  2. Identify all SharePoint or database connections used
  3. Verify the underlying list or library still exists and the user has access
  4. Check for column changes that might break flow triggers

SharePoint list modifications often break connected flows. Recreate the flow action with updated list references if necessary.

Step 6: Check Microsoft 365 Admin Center for Policy Blocks

Organization-wide security policies can interrupt approval workflows:

  1. Sign into the Microsoft 365 Admin Center (admin.microsoft.com)
  2. Navigate to Settings > Services & add-ins > Power Platform
  3. Review any Data Loss Prevention policies that might block flow operations
  4. Check the Microsoft 365 message center for recent policy changes affecting Power Automate

Coordinate with your tenant administrator to adjust policies if they block legitimate approval workflows.

Preventative Measures for Remote Teams

Implement these practices to minimize future workflow disruptions:

Establish backup approvers: Configure workflows with alternate approvers when primary approvers are unavailable due to time zones or leave.

Monitor flow health: Set up notifications for flow failures using Power Automate’s built-in monitoring features.

Document workflow ownership: Maintain clear documentation of which team member owns each approval workflow for quick troubleshooting.

Regular license audits: Quarterly reviews ensure all team members have appropriate licensing for their approval responsibilities.

When to Escalate to Microsoft Support

If troubleshooting steps fail to resolve the stuck approval workflow, gather these details before contacting Microsoft support:

Microsoft support can investigate tenant-level issues that may not be visible through standard administration interfaces.

Advanced Power Automate Configuration for Approval Workflows

Once basic troubleshooting resolves immediate issues, understanding advanced features prevents future problems.

Parallel approval chains enable multiple approvers simultaneously. Rather than requiring approval from person A then person B sequentially, request approval from both at once. This reduces total time for complex approval workflows where multiple stakeholders need visibility.

Dynamic approver assignment routes approvals based on conditions. A purchase request under $500 goes to team lead; over $500 goes to director; over $10,000 goes to CFO. This scales approval processes without creating static approval chains.

Custom response options extend beyond simple approve/reject. Add options like “Approve with conditions” or “Request more information.” Each option triggers different downstream actions, enabling flexible decision-making.

Timeout handling prevents workflows from hanging indefinitely. Set automatic escalation: if approver doesn’t respond within 48 hours, reassign to their backup. This prevents stuck workflows due to approver unavailability.

Approval Workflow Integration Patterns

Modern approval workflows integrate with multiple systems, creating complexity that can cause failures.

SharePoint list integration stores approval requests. When designing approval workflows, carefully manage SharePoint permissions. If approvers lack read access to the SharePoint list, they can’t view request details. Verify SharePoint permissions align with approval routing.

Azure AD group-based approvers simplify managing who can approve. Rather than hard-coding approver email addresses, define an Azure AD group and route approvals to the group. When team members change, update Azure AD group membership rather than rebuilding flows.

External approval systems sometimes integrate with Teams. If your organization uses custom approval software, ensure Power Automate has valid API credentials for integration. OAuth tokens expire; if your custom system requires credentials refresh, update them proactively.

Common Approval Workflow Failure Scenarios

Understanding failure modes helps diagnose problems faster.

Cyclic approvals create infinite loops. A requestor submits for approval, the approver is automatically the requestor, creating a loop. Test workflows with sample data to catch loops before deployment.

Missing required data halts workflows. A form field marked required must be completed before workflow proceeds. If your form design makes fields appear optional when they’re actually required, workflows fail when submitted incompletely.

Approver timezone misalignment in distributed teams. If approvers are in opposite timezones and workflows require same-day approval, you’ll frequently have stuck requests when approval windows don’t overlap. Set escalation timeouts longer than your timezone spread.

Concurrent modification conflicts occur when multiple people modify the same request simultaneously. Power Automate doesn’t handle concurrent updates gracefully. If two people try updating the same approval request at once, one update fails. Design workflows to lock requests during approval to prevent concurrent modification.

Teams Approval Workflow Specific Issues

Teams approval workflows have unique failure modes compared to other Power Automate flows.

Adaptive card rendering issues affect Teams approval display. The approval card in Teams uses Adaptive Cards. If your custom approval card uses unsupported features, it renders incorrectly or fails to display. Test approval card appearance in Teams before rolling out to users.

Notification delivery failures happen when Teams channels are archived or users lack channel access. Approval notifications route through Teams channels; if channels are removed, notifications don’t deliver. Monitor channel health and update notification routing when channels change.

Mobile app compatibility limits approval action on some mobile phones. The Teams mobile app doesn’t support all approval card actions. Users on mobile might only see the approval card without the ability to act on it. Document this limitation and encourage users to approve from desktop when possible.

Setting Up Approval Request Templates

Templating reduces errors and improves consistency.

Create reusable form templates for common approvals. An expense approval form, purchase request form, and leave request form can all be templated. Each template includes required fields, validation rules, and standard fields. New workflows start from templates, reducing configuration errors.

Document approval routing rules explicitly. Create a decision tree showing which approval type routes to which person or group. Use this documentation when building conditional logic in flows. Misunderstood routing rules cause most approval workflow failures.

Establish approval SLAs and set flow timeouts accordingly. If your policy requires manager approval within 24 hours, set flow timeout to 24 hours with escalation to the manager’s manager if the primary approver doesn’t respond. Make SLAs explicit in workflow notifications.

Monitoring Approval Workflow Health

Proactive monitoring catches problems before they impact users.

Create a dashboard tracking approval workflow metrics. Monitor average approval time, approval success rate, rejection rate, and timeout rate. Trends in these metrics signal problems before they become critical.

Set up flow failure alerts that notify admins when flows fail. Power Automate can send alert notifications. Configure alerts for any approval workflow failures so problems receive immediate attention.

Schedule weekly workflow reviews examining recent approvals. Look for patterns in failed or slow approvals. Address systemic issues like consistently overloaded approvers or unclear form instructions.

Approval Workflow Migration Best Practices

When rebuilding stuck workflows or upgrading to new versions, follow structured migration approaches.

Create new flows alongside existing ones during transition. Run both flows in parallel while the new workflow builds confidence. Redirect new submissions to the new flow while old submissions complete in the old flow.

Export flow definitions as JSON for version control and documentation. Save your flow definitions in a shared repository. This enables quick recreation if a flow becomes corrupted and provides audit history of changes.

Test with realistic data before production rollout. Use actual approval requests, not minimal test data. Test edge cases: partial information, special characters, maximum-length inputs. Failures in production often stem from insufficient test coverage.

Performance Optimization for High-Volume Approvals

Organizations processing hundreds of approvals daily need optimization strategies.

Batch process approvals where possible. Instead of handling each approval individually, batch them into hourly or daily summaries. This reduces per-request overhead and improves overall throughput.

Use scheduled flows for routine approvals rather than event-triggered flows. Scheduled flows have better performance characteristics when processing large volumes. Run approval checks on a schedule rather than responding to every submission individually.

Implement approval queuing for high-volume scenarios. Add submissions to a queue, then process them at a controlled rate. This prevents bottlenecks when submission volume exceeds approval capacity.

Teams Adaptive Cards Best Practices

The cards that present approvals in Teams have specific design considerations.

Keep cards simple and focused: Too much information overwhelms users. Present decision options clearly with 2-3 action buttons maximum. Additional details can be accessed through links.

Use responsive design: Cards should render correctly on phones, tablets, and desktop. Test mobile appearance—many users approve on mobile devices during commutes.

Color code for urgency: Use color (red for urgent, yellow for normal, green for informational) to signal importance. This helps busy users prioritize which approvals need immediate attention.

Include context in card text: Approval cards should contain enough information for decision-making. Requiring approvers to click links for basic information creates friction.

Test card rendering: Different Teams clients (web, desktop, mobile, different OS) can render cards differently. Test across platforms before deployment.

Alternative Approval Workflows When Power Automate Fails

If Power Automate approvals consistently fail, alternatives exist.

Adaptive Cards in Teams directly: Build approval cards manually in Teams without Power Automate. Requires more technical setup but provides complete control.

Third-party approval platforms: Services like Nintex or Kayak offer dedicated approval solutions sometimes more reliable than Power Automate.

Simple spreadsheet-based tracking: For small teams with occasional approvals, a shared spreadsheet with notifications can replace complex workflows.

Email-based approvals: Traditional email approval with explicit reply conventions. Less elegant but extremely reliable for critical approvals.

Approval Workflow Resilience Patterns

Building strong approval systems that survive failures.

Always have manual fallback: If workflow fails completely, approver and requester should have way to manually document the approval. This prevents business process blocking.

Implement automatic escalation: If approval doesn’t happen within SLA, automatically escalate to manager or backup approver. This prevents approvals from disappearing into black holes.

Monitor for stuck approvals: Regularly check if any approvals are unexpectedly stuck pending. Alert if any approval exceeds normal SLA by 2x.

Provide status visibility: Requester should always be able to see approval status—approved, rejected, pending, or stuck. Visibility prevents wasted follow-ups.

Troubleshooting Specific Teams Approval Errors

Common error messages and what they mean.

“The requested action does not support this parameter”: Usually indicates a parameter passed to the action doesn’t exist or has wrong type. Check parameter names for typos.

“Access Denied”: The app or flow lacks necessary permissions. Check Microsoft 365 admin center for app permissions.

“The operation has timed out”: Flow took too long executing. Usually indicates waiting for external service took too long. Increase timeout or simplify flow.

“An item with this ID already exists”: Trying to create record in SharePoint or database but ID already taken. Check for logic creating duplicate records.

“Connection failed”: Connection to required service (Teams, SharePoint, Azure AD) is broken. Check connection status in Power Automate interface.

Approval Workflow Documentation Template

Standardize documentation across your organization.

For each approval workflow document:

This documentation helps new team members understand approval processes and helps troubleshoot failures more quickly.

Real-World Success: Remote Team Approval Optimization

A distributed manufacturing company with 200 employees struggled with purchase approval workflows taking 3-5 days. This slowed procurement and increased procurement costs.

Initial problem:

Solution implemented:

Results:

This illustrates how addressing stuck workflows has tangible business impact beyond operational smoothness.

Quick Reference: Resolution Checklist

Use this checklist when facing stuck approval workflows:

Microsoft Teams approval workflows remain essential infrastructure for remote and distributed teams. By understanding common failure points and following systematic troubleshooting procedures, you can minimize downtime when workflows get stuck in pending status. Regular monitoring and proactive license management help prevent these issues from impacting team productivity.

Frequently Asked Questions

What if the fix described here does not work?

If the primary solution does not resolve your issue, check whether you are running the latest version of the software involved. Clear any caches, restart the application, and try again. If it still fails, search for the exact error message in the tool’s GitHub Issues or support forum.

Could this problem be caused by a recent update?

Yes, updates frequently introduce new bugs or change behavior. Check the tool’s release notes and changelog for recent changes. If the issue started right after an update, consider rolling back to the previous version while waiting for a patch.

How can I prevent this issue from happening again?

Pin your dependency versions to avoid unexpected breaking changes. Set up monitoring or alerts that catch errors early. Keep a troubleshooting log so you can quickly reference solutions when similar problems recur.

Is this a known bug or specific to my setup?

Check the tool’s GitHub Issues page or community forum to see if others report the same problem. If you find matching reports, you will often find workarounds in the comments. If no one else reports it, your local environment configuration is likely the cause.

Should I reinstall the tool to fix this?

A clean reinstall sometimes resolves persistent issues caused by corrupted caches or configuration files. Before reinstalling, back up your settings and project files. Try clearing the cache first, since that fixes the majority of cases without a full reinstall.