How to allocate disk 0 unallocated space from disk1.

Dear ALL

I urgently need you help. i am running out space on Disk 0 which is NTFS primary disk setup as basic disk. its a C: drive which has system and boot files.  

i then have Disk 1 setup as NTFS basic as D: which has 5 partition labeled as A, B, E, F, G and have enough free space  i have shrieked  one of the partition B on disk 1 to get some free space which is unallocated partition. i can only allocate this unallocated partition to the same partition B.

C is grayed out so i can use the extend volume.  i have tried few software and command prompt diskpart but no luck.

any good suggestion please
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CJIT Consultant Asked:
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rindiCommented:
You  can only extend a partition if the free space is on the same disk as that partition.

I suggest you use the cleanup wizard to remove files which aren't necessary, and also delete the contents of C:\Windows\SoftwareDistribution\Downloads. If after that you still don't have enough free space on C:\, uninstall software and install it to another partition on another disk. You can also (or rather should) move any data files from C: to another loaction. Data doesn't belong on C:\. Then you can also change the pagefile to be only 256MB in size on C:, and create a system managed pagefile on another partition. Also make sure you set up your system to only create small memory dumps, and not full ones, and disable hibernation. After that your C: disk should be more than large enough.
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Seth SimmonsSr. Systems AdministratorCommented:
how big is C?
can you post a screenshot of disk management?
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noxchoGlobal Support CoordinatorCommented:
As said you cannot allocate space from one HDD to another one. Only if you use dynamic drives and then expand option. But this leads you to a complicated solution.
Better if you move some databases from C to D or any other partitions. Or map the folders on C to D.
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CJIT Consultant Author Commented:
Thank you all. That's all i wanted to know if there is way to increase.  The reasons C: drive gets full up is because of IMAP OST files which is saved by default on c driver for remote users i am trying to find way around it. rest all program and data folders are on different drives. i was looking for help if there is way of increasing the size not making space on c drive.
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rindiCommented:
You don't need OST files, just disable cached mode in Outlook so they don't get created. OST files only make any sense for laptops that don't always have a network connection. In any other situation all they do is waste diskspace and network IO.
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CJIT Consultant Author Commented:
ok many thanks i will try that and let you know
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noxchoGlobal Support CoordinatorCommented:
I have recently removed the ost files from a c drive on a PC of my colleague because she was suffering from exactly the same problem.
I moved them to different drive using a guide I found in google search.
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CJIT Consultant Author Commented:
thanks noxcho i have been looking for that guide but cannot find it as the suggestion i found on Google doesn't work. any link ?

rindi where exactly should i disable the cache and should i do it before creating the account or after account is created ?
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rindiCommented:
As I haven't used outlook for a long time, I don't remember the exact location of the setting, and it may have changed with the newer versions anyway. But it was somewhere in the account's properties/settings. You can set that setting when you setup Outlook for the account, or also later.

Personally I'd also not have the user profiles on C: anyway, but rather somewhere else.
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andyalderCommented:
As to dynamic disks span function that someone mentioned it's not available for C: for the simple reason that a defrag may relocate the dynamic disk driver to the second disk and then it would be in a catch-22 situation of needing the driver to be loaded to access the concatenated partition but the driver it needs is on the concatenated partition.
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rindiCommented:
My first comment should be accepted, it correctly says that it isn't possible to add space to C: from another disk.
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