# \#co-access **URL:** https://community.crossref.org/tag/co-access/261.md [Latest](https://community.crossref.org/latest.md) · [Categories](https://community.crossref.org/categories.md) · [Tags](https://community.crossref.org/tags.md) --- ## [Co-access deprecation is coming: are you ready? - Crossref](https://community.crossref.org/t/co-access-deprecation-is-coming-are-you-ready-crossref/15895)
**Author:** [@Crossref](https://community.crossref.org/u/Crossref)\ **Replies:** 0\ **Last updated:** [1 June 2026 18:42 UTC](https://community.crossref.org/t/co-access-deprecation-is-coming-are-you-ready-crossref/15895 "2026-06-01T18:42:21Z")
Last September, we announced we’d be deprecating co-access and encouraging its ~100 users to use our multiple resolution service. We announced that no new DOIs will be placed in co-access from 1st of July 2026 and that t… --- ## [Two chapter level DOIs failing to resolve](https://community.crossref.org/t/two-chapter-level-dois-failing-to-resolve/15076)
**Author:** [@Enzo\_Bavetta](https://community.crossref.org/u/Enzo_Bavetta)\ **Replies:** 1\ **Last updated:** [8 January 2026 17:49 UTC](https://community.crossref.org/t/two-chapter-level-dois-failing-to-resolve/15076 "2026-01-08T17:49:07Z")
Hi, I’m having trouble with two chapter level DOIs which won’t register: DOI - https://doi.org/10.51952/9781447318798.ch002 Live URL - Two: Marjory Allen, 1897-1976 in: Champions for Children Crossref report - https:… --- ## [Please help resolve title conflict](https://community.crossref.org/t/please-help-resolve-title-conflict/14764)
**Author:** [@Enzo\_Bavetta](https://community.crossref.org/u/Enzo_Bavetta)\ **Replies:** 2\ **Last updated:** [14 November 2025 12:11 UTC](https://community.crossref.org/t/please-help-resolve-title-conflict/14764 "2025-11-14T12:11:26Z")
Hi, This title which has recently moved to Open Access has a DOI that is failing to resolve: Raising the Nation – How to Build a Better Future for Our Children (and Everyone Else) | Bristol University Press DOI: https:… --- ## [Internal server error](https://community.crossref.org/t/internal-server-error/14752)
**Author:** [@Enzo\_Bavetta](https://community.crossref.org/u/Enzo_Bavetta)\ **Replies:** 2\ **Last updated:** [13 November 2025 17:14 UTC](https://community.crossref.org/t/internal-server-error/14752 "2025-11-13T17:14:26Z")
The below DOI Is returning an internal server error. https://doi.org/10.51952/9781529243970 Content: Neoliberalism and Urban Regeneration – London’s Communities Finding a Voice and Fighting Back | Bristol University Pr… --- ## [DOI returning 404](https://community.crossref.org/t/doi-returning-404/14717)
**Author:** [@Enzo\_Bavetta](https://community.crossref.org/u/Enzo_Bavetta)\ **Replies:** 3\ **Last updated:** [6 November 2025 03:30 UTC](https://community.crossref.org/t/doi-returning-404/14717 "2025-11-06T03:30:43Z")
The DOI for the following title is returning a 404: Varieties of Impact Investing – Creating and Translating a Label in Local Contexts | Bristol University Press I have tried re-submitting the DOI this morning. The job… --- ## [Deprecating co-access: Crossref plans and timelines - Crossref](https://community.crossref.org/t/deprecating-co-access-crossref-plans-and-timelines-crossref/14448)
**Author:** [@Crossref](https://community.crossref.org/u/Crossref)\ **Replies:** 0\ **Last updated:** [11 September 2025 17:20 UTC](https://community.crossref.org/t/deprecating-co-access-crossref-plans-and-timelines-crossref/14448 "2025-09-11T17:20:24Z")
TL;DR To date, there are about 100 Crossref members who have made use of our co-access service for one or more of their books. The service was designed to be a last-resort measure when multiple parties - book publishers,… --- ## [ISBNs already assigned error](https://community.crossref.org/t/isbns-already-assigned-error/12631)
**Author:** [@Enzo\_Bavetta](https://community.crossref.org/u/Enzo_Bavetta)\ **Replies:** 2\ **Last updated:** [21 November 2024 11:41 UTC](https://community.crossref.org/t/isbns-already-assigned-error/12631 "2024-11-21T11:41:56Z")
Hi Isaac, The following DOIs are failing because the ISBNs have already been assigned: DOI Frontend CR sub ID https://doi.org/10.51952/9781447369318 Critical Social Work with Children and Families – Theory, Con… --- ## [Upcoming changes to Multiple Resolution and Co-access templates](https://community.crossref.org/t/upcoming-changes-to-multiple-resolution-and-co-access-templates/3908)
**Author:** [@rlammey](https://community.crossref.org/u/rlammey)\ **Replies:** 1\ **Last updated:** [11 August 2023 09:02 UTC](https://community.crossref.org/t/upcoming-changes-to-multiple-resolution-and-co-access-templates/3908 "2023-08-11T09:02:30Z")
Users of Multiple Resolution and Co-Access will know that we’ve long-supported interim templates that members can customize to support content that might live in multiple locations e.g. on a society-hosted website and a … --- ## [Co-Access Submission: Title and Subtitle issues](https://community.crossref.org/t/co-access-submission-title-and-subtitle-issues/3690)
**Author:** [@ajt\_muse](https://community.crossref.org/u/ajt_muse)\ **Replies:** 1\ **Last updated:** [19 June 2023 17:03 UTC](https://community.crossref.org/t/co-access-submission-title-and-subtitle-issues/3690 "2023-06-19T17:03:47Z")
Hi All - This has been a long time issue we have dealt with, and I thought I would ask if there is a better/more efficient solution than what we currently do (and keep in mind, our submission process is entirely automate…