Geodatabase releases and geodatabase replication (ArcInfo and ArcEditor only)

Geodatabase releases and geodatabase replication (ArcInfo and ArcEditor only)
Release 9.3

Geodatabases built using previous versions of ArcGIS do not support some of the newer functions of ArcGIS. Consequently, if your organization has both ArcGIS 9.3 geodatabases and geodatabases from an earlier release, consider the following:

For all replication types, the child replica geodatabase must have a geodatabase release that's the same as or greater than the parent replica geodatabase. This means

The parent replica geodatabase can be the same release as the child replica geodatabase. For example, you can create a replica using 9.2 geodatabases to host both the parent and child replicas.

The parent replica geodatbase can be an earlier release than the child replica geodatabase. For example, you can use an 9.2 geodatabase to host the parent and a 9.3 geodatabase to host the child.
NOTE: When editing the child replica, make sure you don't introduce edits that aren't supported in the parent replica's geodatabase. For example, annotation classes were introduced in version 9 and, therefore, are not supported in 8.3.

The parent replica geodatabase cannot be a later release than the child replica geodatabase. For example, you cannot use a 9.3 geodatabase to host the parent if a 9.2 geodatabase is used to host the child. This is because later versions support data types and functionality that earlier versions do not.

NOTE: If you upgrade the parent replica's geodatabase, you will also need to upgrade the child replica's geodatabase before synchronizing. For example, consider the case where you create a checkout replica using an 9.2 geodatabase to host both the parent and the child. If you then upgrade the parent's geodatabase to 9.3, you will need to upgrade the child's geodatabase before synchronizing. If synchronizing using a delta file, you will need to upgrade the child's geodatabase and then reexport the delta file.

NOTE: There is one exception to these rules. If the parent replica's data is stored in high precision in a 9.2 or greater geodatabase, you can't create a checkout replica using a low-precision 9.2 or greater geodatabase for the child.

Additional requirements for two-way and one-way replicas

Two-way and one-way replicas were introduced with ArcGIS 9.2 and require a 9.2 or greater geodatabase for both the parent and child replicas although, as stated above, the child replica geodatabase must have the same geodatabase release or greater than the parent replica geodatabase.

If you have ArcGIS 9.3 or ArcGIS 9.2 SP5, you can create two-way and one-way replicas as long as the geodatabases are 9.2 or greater.

Exception: One-way replication to file and personal geodatabases was introduced at ArcGIS 9.3 and requires ArcGIS 9.3 and the child geodatabase to be 9.3. Parent geodatabases can be either 9.2 or 9.3.

If you have ArcGIS 9.2 SP4 or earlier, you can only create two-way and one-way replicas with 9.2 geodatabases.

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