5 Methods | Get Rid of Windows Server C Drive Full Issue

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What Will Happen If Windows Server C Drive Gets Full?

A great emphasis is put on having free space in your Windows Server C drive. But what happens if your C drive gets full?

Well, the consequences of having a full C drive on Windows Server depend upon your usage. But some symptoms will incur and can result in problems. Therefore it is essential to have some free space in your C drive.

Below are some of the common symptoms of Windows Server C drive when it is full:

Symptoms of Windows Server with full C Drive

1. Windows Server slows down or stuck

Windows server is usually installed to give Windows operating system additional functions. The additions functions involve managing and creating servers.

Your C drive is the place where your Windows Server operating system resides. The system applications use the C drive to store the cached data and temporary files. If your C drive is full, the whole Windows Server operating system slows down.

Apart from getting slow on performance, you can even face severe system lags. Ultimately, the system can be stuck at places. That's why you must have some free space in C drive for smooth performance of Windows Server.

2. Computer slow to boot up

Whenever you turn your computer on, it loads some kernel files and then loads your operating system. You can also say that operating systems load in the first place to have the computer run smoothly.

Your Windows Server operating system resides in your C drive. Hence, if the C drive is full, it will take time for the computer to search for relevant files. The more time it takes, the slower your computer will boot up—another reason why you should have free space on your C drive.

3. Programs hangs or stuck

Any application that runs on your computer needs space to store its cached and temporary files. Also, sometimes they store their whole remaining operations on your drive to perform them later.

All the programs installed on your C drive use the C drive to store their cached and temporary files. If your C drive is full, the programs will take a lot longer to read and store their temporary files.

Hence, you will face application programs getting slower or even getting stuck in your Windows Server operating system. If you have space on your C drive, you can easily prevent your programs from getting slow or stuck.

5 Methods to Get Rid of Windows Server C Drive Full Issue

The previous section explained the issues that you will face if your C drive is full. But, some solutions help you to free up space on your C drive. One method also explains a way to expand the storage space of your C drive by modifying existing partitions.

Below is the list of methods that can help you get rid of the Windows Server C drive full issue:

1. Run Disk Cleanup
2. Migrate Installed Programs from C Drive to Another Drive
3. Run System Cleanup and Large File Cleanup in C Drive
4. Add More Space to System C Drive
5. Turn on Storage Sense

Method 1. Run Disk Cleanup

The C drive on Windows Server holds all kinds of files related to your applications and server. Some of the files on the C drive are unnecessary, and they can take up a lot of space. These temporary files are usually application logs or cached files.

You can run Disk Cleanup that can remove all the unnecessary files on your Windows Server C Drive. Follow the below steps to run Disk Cleanup on your Windows Server.

Step 1: Open properties of your Windows Server C drive.

You can open the C drive properties by going to your file explorer, right-clicking on the C drive, and choosing properties.

fix c drive full 1

Step 2: Choice Disk Cleanup from the opened pop-up window.

Step 3: Disk cleanup will show you the possible space to free on your C drive.

Step 4: Select the files you do not need and tick them. Once done, press the OK button.

fix c drive full 2

Method 2. Migrate Installed Programs from C Drive to Another Drive

Your Windows Server C drive can also be whole due to too many application programs installed in it. You can fix this by migrating installed programs from a C drive to another drive on your Windows Server.

However, the application migration is not as simple as copy-pasting the application from one location to another. The reason is that an application consists of tons of libraries and dependent modules that need to be moved appropriately.

The most recommended way for installed application migration is to download EaseUS Todo PCTrans Technician software. It has a feature that allows app migrations to move installed programs from a C drive to another drive.

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EaseUS Todo PCTrans Technician is professional file transfer software that can easily migrate an application from your Windows Server C drive. You don't have to install any external software or reinstall the application to migrate through this method.

Follow the below steps to easily migrate installed programs from C drive to another drive on Windows Server:

Step 1. Run EaseUS Todo PCTrans on your PC

Go to "App Migration" and click "Start" to continue.

Select app migration transfer mode

Step 2. Select programs to move from C drive to another drive

1. Tick the C drive and select programs (marked as "Yes") that you want to transfer.

2. Click the triangle icon to select another drive on your computer as the destination, and click "Transfer" to start the process.

select programs to transfer

Step 3. Finish the transferring

Wait patiently until the transferring process finishes and click "OK" to confirm. 

finish transferring programs from C drive to another drive

When it has done, you can restart PC if necessary. This will keep all changes on your PC and then you can run and programs from another hard drive without reinstallation.

Method 3. Run System Cleanup and Large File Cleanup

EaseUS Todo PCTrans Technician introduced in method two helps for application migration and can do more than that. You can also use it to perform system cleanup and clean large files on your Windows Server C drive.

Using these two great EaseUS Todo PCTrans Technician features, you can quickly free up a lot of space on your C drive. In addition, doing that will enhance and optimize your Windows Server computer performance using simple steps.

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Once you have the software downloaded and installed, follow the below steps to run system cleanup and extensive file cleanup using EaseUS Todo PCTrans Technician:

Step 1. Open EaseUS Todo PCTrans on your computer. Click "System Cleanup" and click the "Scan" button to go on.

system cleanup - step 1

Step 2. When the scan completes, junk files will be listed. Selected the unwanted files. Be careful not to mistakenly delete files that affect the normal operation of your computer or software.

system cleanup - step 2

Step 3. Click the "Clean up" button and confirm the cleanup operation. You can regularly use this function to free up disk space.

system cleanup - step 3

Method 4. Add More Space to System C Drive

Another way to eliminate the Windows Server C drive problem is to enlarge the allocated C drive space. You can add more space to system C Drive is by modifying the existing partitions.

A considerable risk is involved while modifying partitions on your system. If anything goes wrong, you can lose your data and mess up the whole partition system.

Therefore, you need reliable partition management software to increase the space of your systems C drive. A highly recommended software is EaseUS Partition Master Server Enterprise Edition.

The software allows you to easily add more space to your Windows server C driver with just simple steps. Follow the below guidelines to easily use EaseUS Partition Master Server software for enlarging storage space of C drive:

Option 1. Extend System C drive with unallocated space

  1. 1. Right-click on the System C: drive and select "Resize/Move".
  2. 2. Drag the system partition end into the unallocated space so to add it to the C: drive. And click "OK". 
  3. 3. Click "Execute Operation" and "Apply" to execute the operations and extend the C drive.

Option 2. Extend System C drive without unallocated space

  1. 1. Right-click a big partition with enough free space on the system disk, select "Allocate Space".
  2. 2. Select the system drive at the Allocate Space From (*) To section, and drag the end of System C drive into the unallocated space. Click "OK" to confirm.
  3. 3. Click "Execute Operation", it will list the pending operations, and click "Apply" to save the changes and extend the C drive.

0:00-0:32 Extend System Drive with Unallocated Space; 0:32-1:00 Extend System Drive without Unallocated Space.

Method 5. Turn on Storage Sense

If you can not manage the space on your Windows Server C drive yourself, you can take the help of the storage sense feature. In Windows Server, you can use storage sense. Your systems will automatically clean up useless files and data on your systems C drive.

Follow the below steps to turn on storage sense on Windows Server:

Step 1: Open Windows Settings App.

Step 2: Go to System > Storage section.

Step 3: Toggle the Storage Sense slider.

fix c drive full 4

Step 4: Configure the storage sense settings.

fix c drive full 5

You can go with the default storage sense settings or configure them according to your choices.

Conclusion

Windows Server operating system does more other functionalities than a standard Windows operating system. It helps you to manage and create servers from your computer. If your C drive gets full, it can create issues for your Windows Server.

Due to the whole C drive on Windows Server, some common problems are programs getting slow, computer boots slow, and system lag. These problems can cause severe consequences if a lot of servers are dependent upon your computer.

You can make free space in your Windows Server C drive by doing a disk cleanup, migrating applications, system cleanup, or turning on storage sense. If you wish to expand the storage on the C drive, you can add more space by modifying the existing partition.

The highly recommended way to add storage space is by using EaseUS Partition Master Server Enterprise Edition. Moreover, the best software uses EaseUS Todo PCTrans Technician to migrate applications and perform system cleanup.

About the Author

Updated by Roxanne

Roxanne is one of the main contributors to EaseUS and has created multiple posts on digital devices like PCs, Mobile phones, tablets, Mac, etc. She loves to share ideas with people of the same interest.

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5 Methods | Get Rid of Windows Server C Drive Full Issue

Try smart Windows 11 data transfer tool to move all data in 1 click.

EaseUS Todo PCTrans

  Free Download

Support Windows 11/10/8/7