IBM Support

Rollback is blocked for certain versions of IBM Rational team products

Question & Answer


Question

When you click Roll Back in IBM® Installation Manager (IM) for a Rational® Team product such as Rational® ClearCase® or Rational® ClearQuest®, Installation Manager indicates that no packages are available for rollback even though you have a previous version of the IBM® Rational® Team product installed.

Cause

IBM® Rational® has disabled the functionality of rollback for certain versions of Rational® team products to avoid product corruption.

Answer

This behavior is intentional and is not a product installation failure.

Table 1 lists the upgrade paths that do not support rollback. If you have upgraded to any of the versions listed, you can restore only an earlier version such as 7.1.0.x by removing the current version (7.1.2.x, for example), and then installing the earlier version again.

Table 2 lists the upgrade paths where rollback operations are supported.


Table 1 - Upgrade paths where rollback operations are blocked

If you upgrade from... You cannot rollback to version
7.1.0.x to 7.1.1.x or 7.1.2.x 7.1.0.x
7.0.2.x to 7.0.3.x or 7.0.4.x 7.0.2.x
7.1.x to 8.0.x or 7.1.3.x 7.1.x
7.1.x to 8.0.x or 9.0.x 7.1.x
8.0.0.x to 8.0.1.x or 9.0.x 8.0.0.x
8.0.1.x to 9.0.x 8.0.1.x
9.0.0.x to 9.0.1.x 9.0.0.x
9.0.1.x to 9.0.2.x 9.0.1.x


Table 2 - Upgrade paths that support rollback operations

If you upgrade from... Rollback is allowed when...
7.1.1.x to 7.1.1.y 7.1.1.y is a higher version in the stream, such as version 7.1.1.4, and 7.1.1.x is a lower version in that stream such as version 7.1.1.1.
7.1.2.x to 7.1.2.y 7.1.2.y is a higher version in the stream, such as version 7.1.1.4, and 7.1.2.x is a lower version in that stream such as version 7.1.2.1.
7.0.4.x to 7.0.4.y 7.0.4.y is a higher version in that stream, such as version 7.0.4.4, and 7.0.4.x is a lower version in that stream such as 7.0.4.0

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Document Information

Modified date:
23 November 2020

UID

swg21409679