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  1. #1
    NickMDal is offline Novice
    Windows 7 64bit Access 2003
    Join Date
    Dec 2017

    Access 2003 replication question

    Hi. We are still using replication. A 10 year stretch without major issues. Recent corruption of hub replica required recreation of the replica set.

    There is a design master, a hub, 2 (LAN) locals and 1 (VPN remote) local replica.

    1. I first TSI unreplicated a local replica and re-replicated it, making it the design master (global)
    2. I then created new hub (global) from DM and from hub, the 3 local replicas.

    Now when attempting synch from local to hub, the local replicas do not contain the path back to the hub. If I browse to the hub path and attempt sync, I get...

    "local or anonymous replicas must synch only to their designated hub replica"

    Is this because I need to first sync from the hub to the new replicas? I can't test that approach for a couple of days.

  2. #2
    NoellaG's Avatar
    NoellaG is offline Expert
    Windows 10 Access 2016
    Join Date
    Jun 2010
    Hi, I never worked with Access replication, but have some years experience using SQL Server replication. When changing the replication we :
    * first stop the current replications
    * reconfigure the settings and startup the new replication with a fresh snapshot
    * on startup replicated tables on subscribing (local) servers are emptied and filled with the data from the publishing site.

    So in your case with access I would first create a non-replicated new database that contains all data. You could crate a new database and import all objects into this new database. This way no information from previous replications is retained.
    Create from this database new local replica's.

    As replication is not supported anymore in new Access versions you might consider moving to SQL server. As the (free) SQL express version does not contain the SQL agent, it is not possible using only SQL Express, but I believe there are possibilities to replicate from a full SQL server to local SQL express. Or you can use a combination of Powershell and SQL procedures to set up an automated replication process using only free SQL Express versions.
    Last edited by NoellaG; 08-01-2020 at 04:08 AM. Reason: typo

  3. #3
    NickMDal is offline Novice
    Windows 7 64bit Access 2003
    Join Date
    Dec 2017
    Thanks for helping. No possibility of upgrading Access or switching to another DB. We have a complex Access front end and a process that requires replication.

    I followed the standard procedure. I think the issue is selection of global/local and the only other parameter "prevent deletes." I've followed this creation procedure in the past with no issue. Must be something simple I'm forgetting.

    Only other possibility that comes to mind is TSI Unreplicator not clearing out all of the old replica data so that the new hub is misidentified and mismatched to the new local replicas.

    To bad no one else us still using this feature. It is really reliable. I don't believe it was buggy-ness that really prompted MS to discontinue. It was their desire to have users switch to their web based data apps. Abiility to replicate a desktop app on the fly gives our business an essential advantage.

  4. #4
    NickMDal is offline Novice
    Windows 10 Access 2003
    Join Date
    Dec 2017
    I recreated the set again. Checked replicas table and all paths and UNC paths were correct. Before re-replicating, I checked the (TSI) unreplicated DB and there were no residual tables that would contain data about replication.

  5. #5
    Micron is offline Virtually Inert Person
    Windows 10 Access 2016
    Join Date
    Jun 2014
    Ontario, Canada
    We have a complex Access front end and a process that requires replication.
    FWIW I've read that the reason for dropping replication support was that subsequent methodologies and technologies made it somewhat redundant. I'm referring to (for example) Terminal Services and apps like Citrix, which made it possible to access a TS or Citrix server where a db back end was on a LAN and the user could log in remotely to their own fe from anywhere as long as they had access to it. If it was due to web based Access db's as you say, then you'd have to wonder why support for web based Access db's has been dropped. It's interesting to note that the other technologies still provide a means of accessing an Access db remotely. So I wonder if your app really needs replication, or if you're not yet prepared to adopt any of the other technologies that would make replication a thing of the past.
    - "doesn't work" doesn't help. Implement changes in copies of your database.
    "Everyone has a photographic memory; some just don't have film." Steven Wright

  6. #6
    Ajax is online now VIP
    Windows 10 Access 2010 32bit
    Join Date
    Mar 2015
    if it is only data you need to replicate and not updates to forms/reports/code i.e. synchronisation, then it may be time for you to bite the bullet and upgrade.

    You can 'roll your own' in access using a number of left join queries all of which can be automated using vba, or as Noella says upgrade the backend to sql server which has data replication functionality. Express doesn't but here is a link as to how you can do it

    I suspect it won't be too long, perhaps a couple of years, before you will be in a position where upgrading from 2003 is not an option which would result in requiring a complete rewrite of your application.

    But going back to your current setup - is the db split? each user with their own front end and replicated backend?

    If not have you tried decompiling/recompiling your code after you have created a new design master and before you create the replicas?

    And if not split, suggest you do this - if the front end is stable then you do not need replication - any changes you simple send out a new copy of the front end. You can still replicate the back end if necessary.

Please reply to this thread with any new information or opinions.

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