@@ -49,10 +49,6 @@ General Limitations
4949- `Queryable Encryption
5050 <https://www.mongodb.com/docs/v6.0/core/queryable-encryption/>`__
5151 isn't supported.
52- - After you replace the ``mongosync`` binary during an upgrade or a
53- downgrade, you should drop all non-system databases in the destination
54- cluster before starting the new binary. Syncing operations will
55- restart from the beginning when you start the new processes.
5652- You cannot sync a collection that has a unique index and a non-unique
5753 index defined on the same field(s).
5854- .. include:: /includes/fact-atlas-require-indexes-limitation.rst
@@ -81,9 +77,11 @@ Sharded Clusters
8177- Sync from a replica set to a sharded cluster has the following
8278 limitations:
8379
84- - Collections included in the ``sharding.shardingEntries`` option for
85- the :ref:`c2c-api-start` command cannot be renamed to use a
86- different database while ``mongosync`` is running.
80+ - ``mongosync`` allows users to rename collections that the
81+ ``sharding.shardingEntries`` option for the :ref:`c2c-api-start`
82+ command includes during sync. To see limitations on renaming
83+ collections while ``mongosync`` is running, see :ref:`Renaming
84+ During Sync <rename-during-sync>`.
8785 - When using the ``sharding.createSupportingIndexes`` option to create
8886 indexes supporting shard keys on the destination cluster during
8987 sync, you cannot create these indexes afterwards on the source
@@ -114,9 +112,9 @@ Sharded Clusters
114112 syncing.
115113- The shard key cannot be modified using :dbcommand:`reshardCollection`
116114 during syncing.
117- - The maximum number of :ref:`shard key indexes
118- <sharding-shard-key-indexes>` is one lower than normal, 63 instead of
119- 64.
115+ - The maximum number of indexes per sharded collection is 63, which is
116+ one less than the :ref:`default limit
117+ <limit-number-of-indexes-per-collection>` of 64.
120118- ``mongosync`` only supports syncing sharded collections that have
121119 default :ref:`collation <collation>` settings.
122120
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