As per business requirement, We wanted to move SSAS Cubes or databases to new location.
Here are steps.
1. Take backup of cubes
2. Detach Cubes
3. Run set directory script -- Just replace values with actual values before running
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<Alter AllowCreate="true" ObjectExpansion="ObjectProperties" xmlns="http://schemas.microsoft.com/analysisservices/2003/engine">
<Object />
<ObjectDefinition>
<Server xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ddl2="http://schemas.microsoft.com/analysisservices/2003/engine/2" xmlns:ddl2_2="http://schemas.microsoft.com/analysisservices/2003/engine/2/2" xmlns:ddl100_100="http://schemas.microsoft.com/analysisservices/2008/engine/100/100" xmlns:ddl200="http://schemas.microsoft.com/analysisservices/2010/engine/200" xmlns:ddl200_200="http://schemas.microsoft.com/analysisservices/2010/engine/200/200" xmlns:ddl300="http://schemas.microsoft.com/analysisservices/2011/engine/300" xmlns:ddl300_300="http://schemas.microsoft.com/analysisservices/2011/engine/300/300" xmlns:ddl400="http://schemas.microsoft.com/analysisservices/2012/engine/400" xmlns:ddl400_400="http://schemas.microsoft.com/analysisservices/2012/engine/400/400">
<ID>S123\##INSTANCE_NAME##</ID>
<Name>S123\##INSTANCE_NAME##</Name>
<ServerProperties>
<ServerProperty>
<Name>DataDir</Name>
<Value>F:\mpdbs001\olapdb_##INSTANCE_NAME##\</Value>
</ServerProperty>
<ServerProperty>
<Name>LogDir</Name>
<Value>F:\mplog001\olaplog_##INSTANCE_NAME##\</Value>
</ServerProperty>
<ServerProperty>
<Name>TempDir</Name>
<Value>G:\mptmp001\olaptmp_##INSTANCE_NAME##\</Value>
</ServerProperty>
</ServerProperties>
</Server>
</ObjectDefinition>
</Alter>
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4. Run browse script
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<Alter AllowCreate="true" ObjectExpansion="ObjectProperties" xmlns="http://schemas.microsoft.com/analysisservices/2003/engine">
<Object />
<ObjectDefinition>
<Server xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ddl2="http://schemas.microsoft.com/analysisservices/2003/engine/2" xmlns:ddl2_2="http://schemas.microsoft.com/analysisservices/2003/engine/2/2" xmlns:ddl100_100="http://schemas.microsoft.com/analysisservices/2008/engine/100/100" xmlns:ddl200="http://schemas.microsoft.com/analysisservices/2010/engine/200" xmlns:ddl200_200="http://schemas.microsoft.com/analysisservices/2010/engine/200/200" xmlns:ddl300="http://schemas.microsoft.com/analysisservices/2011/engine/300" xmlns:ddl300_300="http://schemas.microsoft.com/analysisservices/2011/engine/300/300" xmlns:ddl400="http://schemas.microsoft.com/analysisservices/2012/engine/400" xmlns:ddl400_400="http://schemas.microsoft.com/analysisservices/2012/engine/400/400">
<ID>S123\##INSTANCE_NAME##</ID>
<Name>S123\##INSTANCE_NAME##</Name>
<ServerProperties>
<ServerProperty>
<Name>AllowedBrowsingFolders</Name>
<Value>G:\olapbackup_##INSTANCE_NAME##\|F:\olaplog_##INSTANCE_NAME##\|F:\mpdbs001\olapdb_##INSTANCE_NAME##\|F:\olaplog_##INSTANCE_NAME##_Encrypted\|F:\mpdbs001\olapdb_##INSTANCE_NAME##_Encrypted|G:\olaptmp_##INSTANCE_NAME##_Encrypted</Value>
</ServerProperty>
</ServerProperties>
</Server>
</ObjectDefinition>
</Alter>
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5. Copy files to new location
6. Attach cubes
7. Verify all cubes are online
Now, Task completed and all cubes are moved to new location. Hope it will help.
Thanks