[Bug] incorrect quota for number of `iam_roles` in `redshift_cluster` resource

Author: dominicroessnerCreated Sep 17, 2026Updated Sep 17, 2026
Labelsbugneeds-triage

Terraform and AWS Provider Version

bash
AWS Provider version: v6.65.0

Affected Resource(s) or Data Source(s)

aws_redshift_cluster

Expected Behavior

The iam_roles argument for the aws_redshift_cluster in the docs state:

iam_roles - (Optional) A list of IAM Role ARNs to associate with the cluster. A Maximum of 10 can be associated to the cluster at any time.

Actual Behavior

Per AWS documentation this is 50 (with the exception 10 only in regions us-iso-east-1, us-iso-west-1, us-isob-east-1)

https://docs.aws.amazon.com/redshift/latest/mgmt/amazon-redshift-limits.html#amazon-redshift-limits-quota

Relevant Error/Panic Output

n/a

Sample Terraform Configuration

n/a

Steps to Reproduce

n/a

Debug Logging

No response

GenAI / LLM Assisted Development

n/a

Important Facts and References

No response

Would you like to implement a fix?

No response

Source: hashicorp/terraform-provider-aws